-8.49% is the change from 636 to 582
Calculation steps:
[( 582 - 636 ) ÷ 636] x 100 = -8.49%
Formula
Percentage change = [(582 - 636) / 636] x 100
Subtract the new number by the original number
582 - 636 = -54
-54 ÷ 636 = -0.08490566037735849
-0.08490566037735849 x 100 = -8.49%