87.74% is the change from 155 to 291
Calculation steps:
[( 291 - 155 ) ÷ 155] x 100 = 87.74%
Formula
Percentage change = [(291 - 155) / 155] x 100
Subtract the new number by the original number
291 - 155 = 136
136 ÷ 155 = 0.8774193548387097
0.8774193548387097 x 100 = 87.74%