Percentage Calculator

Solve common percentage questions quickly. Pick a mode, enter values, and get the answer with a short explanation.

Mode & Inputs
Use +X% or -X% for percentage steps; +X or -X for absolute steps
Notes:
  • X% of Y = (X/100) × Y
  • % Change = (B - A)/A × 100%
  • Reverse %: Original = Final ÷ (1 - discount%)
Result
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Discount Simulator

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