-90.02% is the change from 872 to 87
Calculation steps:
[( 87 - 872 ) ÷ 872] x 100 = -90.02%
Formula
Percentage change = [(87 - 872) / 872] x 100
Subtract the new number by the original number
87 - 872 = -785
-785 ÷ 872 = -0.9002293577981652
-0.9002293577981652 x 100 = -90.02%