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Percentage Calculator

Quickly calculate percentages, discounts, markups and percentage changes.

What is X% of Y?

e.g. "What is 15% of 200?"

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X is what percentage of Y?

e.g. "30 is what percentage of 200?"

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Add or subtract percentage

e.g. calculate a discount or markup

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Percentage change

e.g. "From 80 to 100 – what is the percentage change?"

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Formulas

Percentage value:

Wert=Grundwert × Prozent / 100

Percentage rate:

Prozent=Wert / Grundwert × 100

Markup:

Neu=Alt × (1 + Prozent/100)

Discount:

Neu=Alt × (1 - Prozent/100)

Change:

%=(Neu - Alt) / Alt × 100

Examples

  • Discount: 20% of CHF 150=CHF 30 savings
  • VAT: CHF 100 + 8.1%=CHF 108.10
  • Tip: 10% of CHF 85=CHF 8.50

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