-56.13% is the change from 636 to 279
Calculation steps:
[( 279 - 636 ) ÷ 636] x 100 = -56.13%
Formula
Percentage change = [(279 - 636) / 636] x 100
Subtract the new number by the original number
279 - 636 = -357
-357 ÷ 636 = -0.5613207547169812
-0.5613207547169812 x 100 = -56.13%