-28.71% is the change from 634 to 452
Calculation steps:
[( 452 - 634 ) ÷ 634] x 100 = -28.71%
Formula
Percentage change = [(452 - 634) / 634] x 100
Subtract the new number by the original number
452 - 634 = -182
-182 ÷ 634 = -0.2870662460567823
-0.2870662460567823 x 100 = -28.71%