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Percentage Calculators

Percentage Increase Calculator

Find the percentage increase between two values, or increase a number by a given percent, with the formula.

Enter values

Results update as you type.

Result

Percentage increase

25%

Absolute change
20
Step-by-stepShow
  1. (100 − 80) ÷ 80 × 100 = 25%

About the Percentage Increase Calculator

Find the percentage increase between two values, or increase a number by a given percent, with the formula.

Also known as: percent increase, increase by percentage, how much percent increase, add percentage.

How to use this calculator

  1. Enter calculate and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Open “Step-by-step” to see how the answer was worked out.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Increase % = (New − Original) ÷ Original × 100

Worked example

Using the values pre-filled in the calculator above:

  • Calculate: Percent increase from A to B
  • Original value (A) = 80
  • New value (B) = 100

the calculator returns:

  • Percentage increase: 25%
  • Absolute change: 20

Working

  1. (100 − 80) ÷ 80 × 100 = 25%