-90.07% is the change from 876 to 87
Calculation steps:
[( 87 - 876 ) ÷ 876] x 100 = -90.07%
Formula
Percentage change = [(87 - 876) / 876] x 100
Subtract the new number by the original number
87 - 876 = -789
-789 ÷ 876 = -0.9006849315068494
-0.9006849315068494 x 100 = -90.07%