-31.29% is the change from 636 to 437
Calculation steps:
[( 437 - 636 ) ÷ 636] x 100 = -31.29%
Formula
Percentage change = [(437 - 636) / 636] x 100
Subtract the new number by the original number
437 - 636 = -199
-199 ÷ 636 = -0.3128930817610063
-0.3128930817610063 x 100 = -31.29%