-35.11% is the change from 131 to 85
Calculation steps:
[( 85 - 131 ) ÷ 131] x 100 = -35.11%
Formula
Percentage change = [(85 - 131) / 131] x 100
Subtract the new number by the original number
85 - 131 = -46
-46 ÷ 131 = -0.3511450381679389
-0.3511450381679389 x 100 = -35.11%