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Percentage change from 3 to 15

Instant answer with step-by-step formula

Percentage change from 3 to 15 = 400% increase
((15 − 3) ÷ 3) × 100 = 400% (increase)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 15 − 3 = 12
  3. Divide by old value: 12 ÷ 3 = 4
  4. Multiply by 100: 400% (increase)

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