Percentage change from 500 to 100

Instant answer with step-by-step formula

Percentage change from 500 to 100 = 80% decrease
((100 − 500) ÷ 500) × 100 = -80% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 100 − 500 = -400
  3. Divide by old value: -400 ÷ 500 = -0.8
  4. Multiply by 100: -80% (decrease)

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