Percentage Calculator
Use this free percentage calculator to quickly figure out percentages in everyday situations. Find X% of a number, calculate percentage increase or decrease, and see the percentage difference between two values.
Calculate percentages instantly
Choose what you want to calculate, enter your numbers, and get the result immediately.
Select a calculation type and enter values.
Tip: Press Enter to calculate.
Simple examples people use percentages for
Percentages are everywhere. Here are a few common examples that match how people actually search online:
Discount: A product costs 20,000 and the discount is 15%. How much is the discount? What is the final price?
Profit: You bought something for 12,000 and sold it for 15,600. What is the percentage increase?
Score: You scored 68 out of 100. That is 68%.
Change: A price moved from 1,250 to 1,430. What is the percentage change?
Use the calculator above to solve any of these in seconds.
Percentage formulas (explained in simple words)
These are the simple formulas used by the calculator. You do not need to memorize them, but they help you understand the result.
X% of Y = (X / 100) × Y
What percent is A of B? = (A / B) × 100
Percentage change = ((New − Old) / Old) × 100
Percentage increase means the result is above 0. Percentage decrease means the result is below 0.
Frequently asked questions
These answers cover common issues people face when calculating percentages.
What is the easiest way to calculate a percentage?
Multiply the number by the percentage and divide by 100. This tool does it automatically and shows a clean answer.
What percent is 30 out of 120?
That is (30 ÷ 120) × 100 = 25%. You can also use “What percent is A of B?” in the calculator.
How do I calculate percentage increase?
Use: ((New − Old) ÷ Old) × 100. Example: from 100 to 120 is a 20% increase.
Can I calculate percentage decrease?
Yes. If a value goes down, the percentage change becomes negative. You can use the decrease mode or percentage change mode.