54.19% is the change from 155 to 239
Calculation steps:
[( 239 - 155 ) ÷ 155] x 100 = 54.19%
Formula
Percentage change = [(239 - 155) / 155] x 100
Subtract the new number by the original number
239 - 155 = 84
84 ÷ 155 = 0.5419354838709678
0.5419354838709678 x 100 = 54.19%