-42.55% is the change from 235 to 135
Calculation steps:
[( 135 - 235 ) ÷ 235] x 100 = -42.55%
Formula
Percentage change = [(135 - 235) / 235] x 100
Subtract the new number by the original number
135 - 235 = -100
-100 ÷ 235 = -0.425531914893617
-0.425531914893617 x 100 = -42.55%