-63.05% is the change from 636 to 235
Calculation steps:
[( 235 - 636 ) ÷ 636] x 100 = -63.05%
Formula
Percentage change = [(235 - 636) / 636] x 100
Subtract the new number by the original number
235 - 636 = -401
-401 ÷ 636 = -0.6305031446540881
-0.6305031446540881 x 100 = -63.05%