-8.96% is the change from 636 to 579
Calculation steps:
[( 579 - 636 ) ÷ 636] x 100 = -8.96%
Formula
Percentage change = [(579 - 636) / 636] x 100
Subtract the new number by the original number
579 - 636 = -57
-57 ÷ 636 = -0.08962264150943396
-0.08962264150943396 x 100 = -8.96%