-58.82% is the change from 85 to 35
Calculation steps:
[( 35 - 85 ) ÷ 85] x 100 = -58.82%
Formula
Percentage change = [(35 - 85) / 85] x 100
Subtract the new number by the original number
35 - 85 = -50
-50 ÷ 85 = -0.5882352941176471
-0.5882352941176471 x 100 = -58.82%