-75.79% is the change from 636 to 154
Calculation steps:
[( 154 - 636 ) ÷ 636] x 100 = -75.79%
Formula
Percentage change = [(154 - 636) / 636] x 100
Subtract the new number by the original number
154 - 636 = -482
-482 ÷ 636 = -0.7578616352201258
-0.7578616352201258 x 100 = -75.79%