Percentage & Margin Calculator
Calculate percentages, percent changes, discounts, and markup vs margin.
1. What is X% of Y?
2. What percent of Y is X?
3. Percentage change (from X to Y)
4. Margin vs Markup
Über das Tool: Calculator
The Percentage Calculator handles all common percentage operations: finding X% of a number, determining what percentage one number is of another, calculating percentage change, and computing markup vs margin.
Key formulas: X% of Y = Y × X / 100. Percentage change = ((New − Old) / Old) × 100%. Markup = ((Selling − Cost) / Cost) × 100%. Margin = ((Selling − Cost) / Selling) × 100%.
Häufig gestellte Fragen (FAQ)
What is the difference between markup and margin?
Markup is profit as a percentage of cost: (Selling − Cost) / Cost × 100%. Margin is profit as a percentage of selling price: (Selling − Cost) / Selling × 100%. A 50% markup equals a 33.3% margin.
How do I calculate a percentage increase?
Percentage increase = ((New Value − Old Value) / Old Value) × 100%. For example, from 200 to 250: (50/200) × 100% = 25% increase.
How do I find what percentage one number is of another?
Divide the part by the whole and multiply by 100. For example, 30 out of 120 = (30/120) × 100% = 25%.
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