-63.83% is the change from 235 to 85
Calculation steps:
[( 85 - 235 ) ÷ 235] x 100 = -63.83%
Formula
Percentage change = [(85 - 235) / 235] x 100
Subtract the new number by the original number
85 - 235 = -150
-150 ÷ 235 = -0.6382978723404256
-0.6382978723404256 x 100 = -63.83%