Percentage change from 20 to 11

Instant answer with step-by-step formula

Percentage change from 20 to 11 = 45% decrease
((11 − 20) ÷ 20) × 100 = -45% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 11 − 20 = -9
  3. Divide by old value: -9 ÷ 20 = -0.45
  4. Multiply by 100: -45% (decrease)

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