Percentage Calculator

Calculate percentages, percentage change, and more.

Percentage (%)

Of Value

Original Value

New Value

How to Calculate Percentages

To calculate a percentage of a number, multiply the number by the percentage and divide by 100. For example, 20% of 250 is (20 × 250) / 100 = 50.

Percentage change: ((New - Original) / Original) × 100. Positive is an increase, negative is a decrease.

Looking for a specific calculation? Try our dedicated percentage of a number or percentage change calculators.