Percentage Calculator
Calculate percentages, increases, and decreases easily.
About Percentage Calculator
Calculate percentages instantly with our free percentage calculator. Find percentage of numbers, percentage change, percentage difference, and more. Essential for shopping discounts, tips, grades, and financial calculations.
Key Features & Benefits
Multiple Calculations
Calculate X% of Y, what % is X of Y, and percentage increase/decrease.
Percentage Change
Calculate percentage increase or decrease between two values.
Discount Calculator
Find sale prices and calculate savings easily.
Reverse Percentage
Find the original value before a percentage was applied.
How to Use Percentage Calculator
Choose Calculation
Select the type of percentage calculation you need.
Enter Values
Input your numbers in the provided fields.
Get Result
See the percentage calculation result instantly.
Frequently Asked Questions
Enter 20 as percentage and 150 as the number. Result: 30 (20% of 150 = 30).
Enter original value and new value. Formula: ((new-old)/old) × 100.
Percentage difference shows how much values differ: |A-B| / ((A+B)/2) × 100.
Enter original price and discount %. We subtract that percentage to show the sale price.
Why Use Our Percentage Calculator?
Percentage calculations made easy. Calculate discounts, tips, grades, growth rates, and any percentage-based math instantly.