27.78% is the change from 126 to 161
Calculation steps:
[( 161 - 126 ) ÷ 126] x 100 = 27.78%
Formula
Percentage change = [(161 - 126) / 126] x 100
Subtract the new number by the original number
161 - 126 = 35
35 ÷ 126 = 0.2777777777777778
0.2777777777777778 x 100 = 27.78%