-84.26% is the change from 985 to 155
Calculation steps:
[( 155 - 985 ) ÷ 985] x 100 = -84.26%
Formula
Percentage change = [(155 - 985) / 985] x 100
Subtract the new number by the original number
155 - 985 = -830
-830 ÷ 985 = -0.8426395939086294
-0.8426395939086294 x 100 = -84.26%