Percentage change from 9 to 20

Instant answer with step-by-step formula

Percentage change from 9 to 20 = 122.222222% increase
((20 − 9) ÷ 9) × 100 = 122.222222% (increase)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 20 − 9 = 11
  3. Divide by old value: 11 ÷ 9 = 1.222222
  4. Multiply by 100: 122.222222% (increase)

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