Percentage Calculator
1) What is X% of Y?
2) A is what % of B?
3) % Change from Old to New
How Percentage Works
- X% of Y = (X/100) × Y
- Percent of = (A/B) × 100%
- Percent change = ((New − Old)/Old) × 100%
Use this page for discounts, markups, scores, and growth rates.