49.16% is the change from 238 to 355
Calculation steps:
[( 355 - 238 ) ÷ 238] x 100 = 49.16%
Formula
Percentage change = [(355 - 238) / 238] x 100
Subtract the new number by the original number
355 - 238 = 117
117 ÷ 238 = 0.49159663865546216
0.49159663865546216 x 100 = 49.16%