-83.02% is the change from 636 to 108
Calculation steps:
[( 108 - 636 ) ÷ 636] x 100 = -83.02%
Formula
Percentage change = [(108 - 636) / 636] x 100
Subtract the new number by the original number
108 - 636 = -528
-528 ÷ 636 = -0.8301886792452831
-0.8301886792452831 x 100 = -83.02%