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Percentage Calculator

Calculate percentages, discounts, and percentage changes easily

Common Percentage Calculations

10% of 100 = 10

Quick tip calculation

20% of 50 = 10

Discount calculation

25 is 50% of 50

Finding percentage

100 to 120 = 20% increase

Percentage change

About Percentage Calculator

Our Percentage Calculator is a versatile tool that helps you with all kinds of percentage calculations. Whether you need to calculate discounts while shopping, determine percentage increases in salary, or find out what percentage one number is of another, this calculator has you covered.

Perfect for students, business professionals, shoppers, and anyone who needs to work with percentages. The calculator shows not just the result but also the formula and explanation, helping you understand how the calculation works.

Percentage Formulas

Percentage of a Number:

(Percentage ÷ 100) × Number

What Percentage:

(Number ÷ Total) × 100

Percentage Change:

((New Value - Old Value) ÷ Old Value) × 100

Discount Price:

Original Price - (Original Price × Discount% ÷ 100)