-90.98% is the change from 887 to 80
Calculation steps:
[( 80 - 887 ) ÷ 887] x 100 = -90.98%
Formula
Percentage change = [(80 - 887) / 887] x 100
Subtract the new number by the original number
80 - 887 = -807
-807 ÷ 887 = -0.9098083427282976
-0.9098083427282976 x 100 = -90.98%