72.9% is the change from 155 to 268
Calculation steps:
[( 268 - 155 ) ÷ 155] x 100 = 72.9%
Formula
Percentage change = [(268 - 155) / 155] x 100
Subtract the new number by the original number
268 - 155 = 113
113 ÷ 155 = 0.7290322580645161
0.7290322580645161 x 100 = 72.9%