Percentage Calculator

Calculate percentages instantly — percentage of a number, percentage change, and more.

Calculate Percentage

Choose what you want to calculate:

What is X% of Y?

Percentage (%)

Number

Result

A percentage expresses a number as a fraction of 100. The word "percent" comes from Latin "per centum," meaning "by the hundred."

Percentage = (Part ÷ Whole) × 100

Result = (X × Y) ÷ 100

Example: What is 25% of 200?

Result = (25 × 200) ÷ 100 = 50

Change = ((New - Old) ÷ Old) × 100

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Add or remove tax from amounts.