## How to Calculate Percentage Increase Over the Years

Calculating percentage increase over the years is an essential tool for evaluating growth and progress. Whether you’re looking at sales figures, website traffic, or other key performance indicators, understanding how to calculate percentage increase is crucial for making data-driven decisions for your business or organization. In this article, we’ll provide a step-by-step guide to calculate percentage increase over the years.

### Step 1: Gather the Data

To calculate percentage increase over the years, you need to have data points for each year or period you want to evaluate. For example, if you want to calculate the percentage increase in sales over the last five years, you need the sales figures for each of those five years. Make sure to gather accurate and reliable data to ensure the accuracy of your calculations.

### Step 2: Identify the Starting Point

Determine the starting point for your calculation. This is the value you want to measure the percentage increase from. For example, if you want to calculate the percentage increase in sales from 2015 to 2020, 2015 would be the starting point.

### Step 3: Identify the Ending Point

Determine the ending point for your calculation. This is the value you want to measure the percentage increase to. For example, if you want to calculate the percentage increase in sales from 2015 to 2020, 2020 would be the ending point.

### Step 4: Subtract the Starting Point from the Ending Point

Subtract the starting point from the ending point. This will give you the total increase in value over the period you are evaluating. For example, if sales were $100,000 in 2015 and $150,000 in 2020, the total increase in sales over the five-year period would be $50,000.

### Step 5: Divide the Total Increase by the Starting Point

Divide the total increase by the starting point. This will give you the fractional increase in value over the period you are evaluating. For example, if the total increase in sales over the five-year period was $50,000, and the starting point was $100,000, the fractional increase would be 0.5.

### Step 6: Multiply the Fractional Increase by 100

Multiply the fractional increase by 100. This will give you the percentage increase in value over the period you are evaluating. For example, if the fractional increase was 0.5, the percentage increase would be 50%.

### Step 7: Check Your Work

Double-check your math to make sure you haven’t made any mistakes. A simple error in arithmetic can throw off your entire calculation. Make sure to use a calculator or ask someone else to review your work if you’re not sure.

### Step 8: Use a Calculator

If you’re not comfortable with mental math or want to double-check your work, use a calculator to help you with the calculations. Most smartphones come with a calculator app, or you can use an online calculator.

### Step 9: Round Your Answer

Depending on the situation, you may need to round your answer to a certain number of decimal places or to the nearest whole number. Make sure to follow any guidelines or specifications provided by your organization or industry.

### Step 10: Consider the Context

When evaluating percentage increases over the years, it’s important to consider the context in which the data is being analyzed. For example, a 20% increase in sales over a five-year period may be impressive in some industries but not in others. Make sure to take into account the industry, market conditions, and other relevant factors.

### Step 11: Account for Inflation

When comparing values over a long period of time, it’s important to account for inflation. This can be done by adjusting the values for inflation using a tool such as the Consumer Price Index (CPI). This will give you a more accurate picture of the actual increase in value over time.

### Step 12: Compare with Industry Benchmarks

To get a better understanding of how your business or organization is performing, compare your percentage increase with industry benchmarks or averages. This can help you identify areas for improvement and set realistic goals for the future.

### Step 13: Consider Other Factors

Keep in mind that percentage increase over the years is just one metric for evaluating growth and progress. Other factors such as customer satisfaction, employee retention, and market share should also be taken into account. Make sure to use a variety of metrics to get a comprehensive view of your organization’s performance.

### Step 14: Plan for the Future

Use the information you gather from your percentage increase calculations to develop a plan for the future. Identify areas where your organization can improve and set goals for the next year or period. Make sure to involve all relevant stakeholders in the planning process.

### Step 15: Track Your Progress

Keep track of your percentage increase calculations over time to monitor your progress and identify trends. This can help you make data-driven decisions for your organization and make any necessary adjustments to your strategy.

### Step 16: Share Your Findings

Communicate your percentage increase calculations and other metrics with stakeholders such as investors, employees, and customers. This can help build trust and credibility for your organization and keep everyone informed about your progress.

### Step 17: Conclusion

Calculating percentage increase over the years is an essential tool for evaluating growth and progress. By following these steps, you can accurately calculate percentage increase and use the information to make data-driven decisions for your organization.