-31.6% is the change from 636 to 435
Calculation steps:
[( 435 - 636 ) ÷ 636] x 100 = -31.6%
Formula
Percentage change = [(435 - 636) / 636] x 100
Subtract the new number by the original number
435 - 636 = -201
-201 ÷ 636 = -0.3160377358490566
-0.3160377358490566 x 100 = -31.6%