How to Find the Percentage Increase of a Number

April 24, 2025 4 min read

Understanding how to calculate percentage increase is a valuable skill, applicable in various real-world scenarios. Whether you're tracking business growth, analyzing investment returns, or simply comparing changes in data, mastering this calculation can provide insightful perspectives. This article breaks down the process of how to find the percentage increase of a number, explaining the formula and demonstrating its practical use.

Calculate Percentage Increase Instantly!

Easily find percentage increase and solve other percentage problems with our intuitive calculator.

Calculate Percentage Increase Now! →

The Percentage Increase Formula

The core of finding percentage increase lies in a simple formula:

Percentage Increase = [(New Value - Original Value) / Original Value] * 100

Let's break this down:

  • New Value: The value you're comparing to.
  • Original Value: The starting value.
  • Difference: Subtract the Original Value from the New Value.
  • Divide: Divide the result by the Original Value.
  • Multiply: Multiply the result by 100 to express it as a percentage.

Step-by-Step Calculation

Here's a detailed guide on how to apply the formula:

  1. Identify the Original and New Values: Clearly define the two values you are comparing. For example, a company's revenue last year versus this year.
  2. Calculate the Difference: Subtract the original value from the new value. This gives you the amount of increase.
  3. Divide by the Original Value: Divide the increase by the original value. This gives you the proportional increase.
  4. Multiply by 100: Multiply the proportional increase by 100 to convert it into a percentage.

Example Scenario

Let's say a product's price increased from $80 to $100. To find the percentage increase:

  1. Original Value: $80
  2. New Value: $100
  3. Difference: $100 - $80 = $20
  4. Divide: $20 / $80 = 0.25
  5. Multiply: 0.25 * 100 = 25%

Therefore, the price increased by 25%.

Real-World Applications

Percentage increase calculations are vital in various fields:

  • Business: Tracking sales growth, profit margins, and market share.
  • Finance: Evaluating investment returns and analyzing portfolio performance.
  • Economics: Measuring inflation rates and GDP growth.
  • Personal Finance: Calculating salary increases and tracking personal savings growth.

Using the Percentage Increase Calculator

While the formula is straightforward, manually calculating percentage increases can be time-consuming. Fortunately, our percentage calculator makes this process quick and easy. Simply enter the original and new values, and the calculator instantly provides the percentage increase. You can also easily find what percent of a number is or figure out what percentage one number is of another. Our calculator works seamlessly across devices, offering a convenient solution whenever you need it.

Understanding Percentage Decrease

The concept is similar to percentage increase, but instead of growth, we're measuring a decline. The formula is slightly adjusted:

Percentage Decrease = [(Original Value - New Value) / Original Value] * 100

A negative result indicates a decrease, while a positive indicates an increase.

Limitations and Considerations

While the percentage increase formula provides a valuable snapshot, it's essential to consider its limitations:

  • Context is Key: A high percentage increase from a small base can be misleading.
  • External Factors: Percentage changes don't account for external factors influencing the values.
  • Non-Linear Relationships: The formula assumes a linear relationship between the values, which may not always be the case.

Related Calculations

Understanding percentage increase is just the start. You might also find these calculations useful:

Conclusion

Knowing how to find the percentage increase of a number is a fundamental skill with far-reaching applications. By mastering the formula and understanding its context, you can gain valuable insights into trends and changes across various domains. Don't hesitate to leverage our percentage calculator to streamline your calculations and make informed decisions quickly and accurately.