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Percentage Calculator

Quickly calculate percentages for everyday situations — discounts, tips, grade averages, or percentage change between two numbers. Choose a calculation mode below and get an instant, accurate result with the formula shown.

Formulas used

X% of Y: (X ÷ 100) × Y  |  % Change: ((New − Old) ÷ Old) × 100  |  Discount: Price − (Price × Discount% ÷ 100)

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