13.55% is the change from 155 to 176
Calculation steps:
[( 176 - 155 ) ÷ 155] x 100 = 13.55%
Formula
Percentage change = [(176 - 155) / 155] x 100
Subtract the new number by the original number
176 - 155 = 21
21 ÷ 155 = 0.13548387096774195
0.13548387096774195 x 100 = 13.55%