-27.29% is the change from 872 to 634
Calculation steps:
[( 634 - 872 ) ÷ 872] x 100 = -27.29%
Formula
Percentage change = [(634 - 872) / 872] x 100
Subtract the new number by the original number
634 - 872 = -238
-238 ÷ 872 = -0.27293577981651373
-0.27293577981651373 x 100 = -27.29%