-39.62% is the change from 636 to 384
Calculation steps:
[( 384 - 636 ) ÷ 636] x 100 = -39.62%
Formula
Percentage change = [(384 - 636) / 636] x 100
Subtract the new number by the original number
384 - 636 = -252
-252 ÷ 636 = -0.39622641509433965
-0.39622641509433965 x 100 = -39.62%