27.74% is the change from 155 to 198
Calculation steps:
[( 198 - 155 ) ÷ 155] x 100 = 27.74%
Formula
Percentage change = [(198 - 155) / 155] x 100
Subtract the new number by the original number
198 - 155 = 43
43 ÷ 155 = 0.27741935483870966
0.27741935483870966 x 100 = 27.74%