Percentage Change Calculator

Use this free percentage change calculator to find the increase or decrease between two values for price changes and growth rates.
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How Percentage Change Works

1

Find the Difference

Subtract the original value from the new value.

2

Divide by Original

Divide the difference by the absolute original value.

3

Multiply by 100

Convert to a percentage by multiplying by 100.

Common Applications

  • Price changes: How much did a stock or product price increase?
  • Growth rates: Revenue growth, population growth, or user growth
  • Performance: Test score improvement, weight loss/gain percentage
  • Budget variance: Actual vs. planned spending differences