Percentage Calculator

Quick percentage calculations: find what is X% of a number, calculate percentage change between two numbers, or find what percentage one number is of another.

Percentage (%)

Number

15% of 200 = 30

Formula: (15 / 100) x 200 = 30

Old Value

New Value

Increase by 50%

Formula: ((75 - 50) / 50) x 100 = 50%

Part (A)

Whole (B)

25 is 12.5% of 200

Formula: (25 / 200) x 100 = 12.5%