-32.02% is the change from 634 to 431
Calculation steps:
[( 431 - 634 ) ÷ 634] x 100 = -32.02%
Formula
Percentage change = [(431 - 634) / 634] x 100
Subtract the new number by the original number
431 - 634 = -203
-203 ÷ 634 = -0.32018927444794953
-0.32018927444794953 x 100 = -32.02%