Percentage change from 15 to 90

Instant answer with step-by-step formula

Percentage change from 15 to 90 = 500% increase
((90 − 15) ÷ 15) × 100 = 500% (increase)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 90 − 15 = 75
  3. Divide by old value: 75 ÷ 15 = 5
  4. Multiply by 100: 500% (increase)

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