Percentage change from 90 to 10

Instant answer with step-by-step formula

Percentage change from 90 to 10 = 88.888889% decrease
((10 − 90) ÷ 90) × 100 = -88.888889% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 10 − 90 = -80
  3. Divide by old value: -80 ÷ 90 = -0.888889
  4. Multiply by 100: -88.888889% (decrease)

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