68.39% is the change from 155 to 261
Calculation steps:
[( 261 - 155 ) ÷ 155] x 100 = 68.39%
Formula
Percentage change = [(261 - 155) / 155] x 100
Subtract the new number by the original number
261 - 155 = 106
106 ÷ 155 = 0.6838709677419355
0.6838709677419355 x 100 = 68.39%