Math Calculators

Percentage Change Calculator

Calculate the percentage change between two values. Works for both increases and decreases.

Old Value

New Value

Percentage Change Calculator Formula

Percentage Change = ((New − Old) / |Old|) × 100

Positive = increase, Negative = decrease

Old: 500, New: 650

Change = 650 − 500 = 150

(150 / 500) × 100 = +30%

Can percentage change be negative?

Calculate the percentage increase between two numbers. Find how much a value has grown in percentage terms.

Calculate the percentage decrease between two numbers. Find how much a value has dropped in percentage terms.

Calculate percentages easily. Find what percent one number is of another, or calculate the percentage of a number.