Percentage Calculator
Three modes: 'what % of A', 'percent change', and 'what is X% of'
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Handle three of the most common percentage calculations in one place: what percentage one number is of another, how much a value has increased or decreased, and what amount X% represents. Just pick a mode and enter your numbers.
How to use
- Choose a mode (ratio, percent change, or percent of a value).
- Enter your numbers and the result is calculated instantly.
- Switch modes anytime to recalculate.
FAQ
- How is percent change calculated?
- It uses (new value − old value) ÷ old value × 100. An increase shows as +, a decrease as −.
- Can it calculate discount prices?
- Yes. Use the 'what is X% of' mode to find the discount amount off a list price. A dedicated discount calculator is also on the way.
- How are decimals handled?
- By default, results are rounded to two decimal places.