Percentage change from 50 to 30

Instant answer with step-by-step formula

Percentage change from 50 to 30 = 40% decrease
((30 − 50) ÷ 50) × 100 = -40% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 30 − 50 = -20
  3. Divide by old value: -20 ÷ 50 = -0.4
  4. Multiply by 100: -40% (decrease)

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