-51.06% is the change from 235 to 115
Calculation steps:
[( 115 - 235 ) ÷ 235] x 100 = -51.06%
Formula
Percentage change = [(115 - 235) / 235] x 100
Subtract the new number by the original number
115 - 235 = -120
-120 ÷ 235 = -0.5106382978723404
-0.5106382978723404 x 100 = -51.06%