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Percentage change from 15 to 5

Instant answer with step-by-step formula

Percentage change from 15 to 5 = 66.666667% decrease
((5 − 15) ÷ 15) × 100 = -66.666667% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 5 − 15 = -10
  3. Divide by old value: -10 ÷ 15 = -0.666667
  4. Multiply by 100: -66.666667% (decrease)

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