-90.96% is the change from 940 to 85
Calculation steps:
[( 85 - 940 ) ÷ 940] x 100 = -90.96%
Formula
Percentage change = [(85 - 940) / 940] x 100
Subtract the new number by the original number
85 - 940 = -855
-855 ÷ 940 = -0.9095744680851063
-0.9095744680851063 x 100 = -90.96%