-31.54% is the change from 631 to 432
Calculation steps:
[( 432 - 631 ) ÷ 631] x 100 = -31.54%
Formula
Percentage change = [(432 - 631) / 631] x 100
Subtract the new number by the original number
432 - 631 = -199
-199 ÷ 631 = -0.3153724247226624
-0.3153724247226624 x 100 = -31.54%