-31.7% is the change from 634 to 433
Calculation steps:
[( 433 - 634 ) ÷ 634] x 100 = -31.7%
Formula
Percentage change = [(433 - 634) / 634] x 100
Subtract the new number by the original number
433 - 634 = -201
-201 ÷ 634 = -0.31703470031545744
-0.31703470031545744 x 100 = -31.7%