-90.46% is the change from 912 to 87
Calculation steps:
[( 87 - 912 ) ÷ 912] x 100 = -90.46%
Formula
Percentage change = [(87 - 912) / 912] x 100
Subtract the new number by the original number
87 - 912 = -825
-825 ÷ 912 = -0.9046052631578947
-0.9046052631578947 x 100 = -90.46%