Free Percentage Calculator

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Percentage (%)

Of number

Understanding Percentages

A percentage is a number expressed as a fraction of 100. The word comes from the Latin 'per centum', meaning 'by the hundred'. Percentages are used everywhere — from shopping discounts to interest rates, exam scores to statistics.

Quick Examples

• What is 20% of 150? → 30
• 15 is what % of 60? → 25%
• Change from 50 to 75 → 50% increase