Quickly Calculate Percentages

Working out discounts, tax, or test scores? Our percentage calculator helps you do the math quickly and correctly. Simply enter your numbers and get instant results — no need to grab a calculator.

Percentage Calculator

Quickly compute percentage-based problems

Result:

Percentage Formulas

Basic Percentage

(Percentage ÷ 100) × Base Value = Result

Percentage Increase

((New − Original) ÷ Original) × 100

Percentage Decrease

((Original − New) ÷ Original) × 100

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