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Percentage Calculator

Calculate percentages, increases, decreases, and more. Solve common percentage problems with ease.

Basic Percentage

Calculate what percentage one number is of another.

is what % of

Formula

(X ÷ Y) × 100 = percentage

Example: 25 is what percent of 200?
(25 ÷ 200) × 100 = 12.5%

Common Percentage Formulas

Finding a percentage

(Part ÷ Whole) × 100 = Percentage

Finding a percentage of a number

(Percentage ÷ 100) × Number = Result

Percentage increase/decrease

((New - Original) ÷ Original) × 100 = % Change

Finding the original value

Current ÷ (1 ± Percentage ÷ 100) = Original

What This Tool Does

Calculate percentages, increases, decreases, and more. Solve common percentage problems with ease.

Benefits

  • Versatile:

    Solve various percentage problems with multiple calculation modes.

  • Simple:

    Easy-to-use interface with instant results.

  • Free:

    No limits, no accounts, no subscriptions.

Use Cases

  • Calculating discounts and sales prices
  • Determining percentage increases
  • Calculating percentage decreases
  • Finding percentages of numbers