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About the Percentage Calculator
This percentage calculator computes percentages, percentage increase, percentage decrease, a percentage of a number, and percentage change. Enter your values and you get the exact result, shown as a number and as a percentage. It suits schoolwork, discounts, budgets, and reports.
The tool applies standard percentage formulas: (percent ÷ 100) × number for a percentage of a number, and ((new value − old value) ÷ old value) × 100 for percentage change. Inputs stay simple: a percentage with a base value, or two values to compare. It also finds what percent one number is of another. Type numbers without the percent sign to avoid duplicate symbols.
- Select the calculation type, such as percentage of a number or percentage change.
- Enter your numbers in the labeled fields.
- Press calculate and read the displayed result.