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Percentage Calculator

This percentage calculator solves the five most common percentage problems: percentage of a number, what percent one number is of another, the base value, percentage change and discounts or mark-ups.

Percentage Calculator

Five calculations – results update as you type

What is % of ?
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is what percent of ?
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is % of what ?
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Change from to
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% =
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Percentage formulas

  • Percentage of a value: value × percent ÷ 100
  • What percent: part ÷ whole × 100
  • Base value: part × 100 ÷ percent
  • Percentage change: (new − old) ÷ old × 100

Frequently asked questions

What is the difference between percent and percentage points?

If an interest rate rises from 2 % to 3 %, that is one percentage point – but a 50 percent increase.

How do I calculate a discount?

Multiply the price by (1 − discount ÷ 100). 25 % off €60 is 60 × 0.75 = €45.