-90.3% is the change from 887 to 86
Calculation steps:
[( 86 - 887 ) ÷ 887] x 100 = -90.3%
Formula
Percentage change = [(86 - 887) / 887] x 100
Subtract the new number by the original number
86 - 887 = -801
-801 ÷ 887 = -0.90304396843292
-0.90304396843292 x 100 = -90.3%