Percentage Calculator
Percentage Calculator
Online percentage calculator helps you calculate percentages, percentage changes, discounts, tips and other percentage-based calculations. Enter your values and get instant results.
Frequently Asked Questions
How to calculate percentage of a number?
To calculate percentage of a number, multiply the number by the percentage and divide by 100. For example, 20% of 150 = (150 × 20) ÷ 100 = 30.
How to calculate percentage change?
Percentage change = ((New Value - Old Value) ÷ Old Value) × 100. If the result is positive, it's an increase; if negative, it's a decrease.
How to calculate discount amount?
Discount amount = Original Price × (Discount Percentage ÷ 100). Final price = Original Price - Discount Amount.