71.61% is the change from 155 to 266
Calculation steps:
[( 266 - 155 ) ÷ 155] x 100 = 71.61%
Formula
Percentage change = [(266 - 155) / 155] x 100
Subtract the new number by the original number
266 - 155 = 111
111 ÷ 155 = 0.7161290322580646
0.7161290322580646 x 100 = 71.61%