-31.8% is the change from 632 to 431
Calculation steps:
[( 431 - 632 ) ÷ 632] x 100 = -31.8%
Formula
Percentage change = [(431 - 632) / 632] x 100
Subtract the new number by the original number
431 - 632 = -201
-201 ÷ 632 = -0.3180379746835443
-0.3180379746835443 x 100 = -31.8%