-13.71% is the change from 985 to 850
Calculation steps:
[( 850 - 985 ) ÷ 985] x 100 = -13.71%
Formula
Percentage change = [(850 - 985) / 985] x 100
Subtract the new number by the original number
850 - 985 = -135
-135 ÷ 985 = -0.13705583756345177
-0.13705583756345177 x 100 = -13.71%