Percentage Calculator

Calculate percentages, find what percent one number is of another, and compute percent change.

What is X% of Y?

Result = (X / 100) × Y

X (%)

Y (number)

X is what percent of Y?

Result = (X / Y) × 100

X (number)

Y (total)

Percentage Change

Change% = ((New - Old) / Old) × 100

Old Value

New Value