Percentage Calculator
Calculate percentages from real questions such as sale prices, shares, change rates, and original values.
What do you want to calculate?
Discount or increase
Calculate the price after a discount or increase.
%
Result
Base amount: Enter all required values.
About Percentage Calculator
Calculate a percentage, a part-to-whole ratio or percentage change.
Choose the calculation that matches your question before entering the two numbers.
Copy the current result to a price, growth or allocation note with its original base value.
The calculation or rendering runs in this browser tab. Copy, download and share actions make the chosen output available outside this tab.
Worked example
- Input / settings
- Base 200, percentage 15
- Action
- Calculate 15% of 200
- Result
- 30
Scope and limits
- A zero denominator makes a ratio or relative change undefined. A percentage-point difference is not the same as percentage growth.
Frequently asked questions
- What is the change from 100 to 120?
- The absolute difference is 20 and the relative increase is 20%, using the original 100 as the denominator.
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