PercentSwift tool

Percentage Increase Calculator

Use this percentage increase calculator to measure how much a value grew from an original amount to a new amount.

Calculator

Enter your numbers

Result

Enter values to calculate

The formula will appear here.

Examples

Common calculations

  • 100 to 125 = 25% increase
  • 80 to 100 = 25% increase
  • 49.99 to 59.99 is about 20% increase

Growth and before-after changes

Use it for price increases, traffic growth, salary changes, revenue movement, or any old-value to new-value comparison.

FAQ

Percentage Increase Calculator questions

What is the percentage increase formula?

Use ((new value - old value) / old value) x 100.

Can the result be negative?

Yes. If the new value is lower than the original value, the calculator reports a decrease.