Percent Change:

20 %

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How to calculate percent change between 45 and 54

Using the formula for percentage change, and following the order of operations

  1. Subtract (54 - 45) which gives you: 9
  2. Divide 9 / 45 which gives you: 0.2000000000
  3. Multiply 0.2000000000 * 100 = 20