-90.83% is the change from 927 to 85
Calculation steps:
[( 85 - 927 ) ÷ 927] x 100 = -90.83%
Formula
Percentage change = [(85 - 927) / 927] x 100
Subtract the new number by the original number
85 - 927 = -842
-842 ÷ 927 = -0.9083063646170443
-0.9083063646170443 x 100 = -90.83%