Percentage change from 400 to 10

Instant answer with step-by-step formula

Percentage change from 400 to 10 = 97.5% decrease
((10 − 400) ÷ 400) × 100 = -97.5% (decrease)

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Step-by-step explanation

  1. Write the formula: ((New − Old) ÷ Old) × 100
  2. Subtract: 10 − 400 = -390
  3. Divide by old value: -390 ÷ 400 = -0.975
  4. Multiply by 100: -97.5% (decrease)

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