Percentage Calculator
Quickly calculate percentages, proportions, markups, discounts, and reverse percentage values with step-by-step mathematical breakdowns.
15% of 250 is 37.5
About Percentage Calculator
Calculate percentages, discounts, tax amounts, grade changes, and growth rates without memorizing formulas. Enter any two values to solve for the third in common percentage problems.
iTryTools runs directly in your browser with zero server uploads, no accounts, and no watermarks.
Key Capabilities
- Percent of a number calculations
- Percentage increase and decrease
- Discount and tax helpers
- Clear step-by-step results
- Instant recalculation
- Free for students and shoppers
How to use Percentage Calculator
- 1
Choose the type of percentage problem.
- 2
Enter the known values (original, new, or percent).
- 3
View the calculated result instantly.
- 4
Adjust inputs to compare scenarios.
- 5
Use results for homework or shopping decisions.
Frequently Asked Questions
How is percentage change calculated?
Change equals (new minus original) divided by original, times 100. Direction matters for increase vs decrease.
Can I calculate stacked discounts?
Apply one discount at a time. Sequential discounts are not simply additive.
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