Percentage Calculator

The Percentage Calculator helps with quick math like percent increase/decrease, what is X% of Y, and reverse percentage problems. Useful in shopping discounts, academic results, and quick financial checks.

Formula

% = (part ÷ whole) × 100

Example Calculation

50 is what % of 200?

Result: Answer: 25%

Practical Uses

  • Find discounts quickly
  • Check exam scores
  • Finance and budgeting math

FAQs

How do I calculate % increase?
Subtract the old value from the new, divide by old value, ×100.
What is reverse percentage?
It’s finding the base when a % and result are known.
Is 100% always the whole?
Yes, by definition 100% equals the full amount.

Disclaimer

For quick math only. Verify results in formal financial or academic use.