Percentage Calculator
Calculate percentages easily with our free calculator. Find percentage changes, convert numbers to percentages, and calculate percentage increases or decreases.
Frequently Asked Questions
How do I calculate a percentage?
To calculate a percentage, divide the number you want to convert by the total and multiply by 100. For example, to find what percentage 50 is of 200: (50 ÷ 200) × 100 = 25%. Our calculator automates this process for various percentage calculations.
How do I calculate percentage increase or decrease?
To calculate percentage change: 1) Find the difference between new and original values, 2) Divide by the original value, 3) Multiply by 100. For example, if a price increases from $80 to $100: ((100 - 80) ÷ 80) × 100 = 25% increase.
What is the formula for calculating percentages?
The basic percentage formula is: Percentage = (Part ÷ Whole) × 100. For example, to find what percentage 15 is of 60: (15 ÷ 60) × 100 = 25%. Our calculator includes this and other common percentage calculations.
How do I find X% of a number?
To find X% of a number, convert the percentage to a decimal (divide by 100) and multiply by the number. For example, to find 15% of 200: (15 ÷ 100) × 200 = 30. Use our 'What is X% of Y' calculator for quick results.
What's the difference between percentage and percentage points?
A percentage point is the arithmetic difference between two percentages. For example, if a value increases from 40% to 50%, that's a 10 percentage point increase, but a 25% relative increase. Our calculator helps you understand these differences.
When should I use percentage calculations?
Percentage calculations are useful in many scenarios: calculating discounts, understanding data changes, analyzing financial growth, determining grades, comparing values, and more. Our calculator supports various percentage calculations for different needs.