Free Percentage Calculator Online

Calculate percentages, value comparisons, and percentage increase or decrease instantly for pricing, finance, and business math.

Percentage Calculator

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Percentage Calculator for Business and Everyday Math

Use this free percentage calculator online to work out percentages, compare values, and calculate percentage increase or decrease. It is useful for discounts, markups, price changes, commissions, and reporting.

What you can calculate

  • X% of Y: find a percentage amount from a value.
  • X is what % of Y: compare one value against another.
  • Percentage increase or decrease: measure change between two values.

Common use cases

This percentage calculator is useful for discount checks, salary increases, business growth calculations, pricing comparisons, tax comparisons, and sales performance reporting.