51.06% is the change from 235 to 355
Calculation steps:
[( 355 - 235 ) ÷ 235] x 100 = 51.06%
Formula
Percentage change = [(355 - 235) / 235] x 100
Subtract the new number by the original number
355 - 235 = 120
120 ÷ 235 = 0.5106382978723404
0.5106382978723404 x 100 = 51.06%