-91.35% is the change from 636 to 55
Calculation steps:
[( 55 - 636 ) ÷ 636] x 100 = -91.35%
Formula
Percentage change = [(55 - 636) / 636] x 100
Subtract the new number by the original number
55 - 636 = -581
-581 ÷ 636 = -0.9135220125786163
-0.9135220125786163 x 100 = -91.35%