27.87% is the change from 122 to 156
Calculation steps:
[( 156 - 122 ) ÷ 122] x 100 = 27.87%
Formula
Percentage change = [(156 - 122) / 122] x 100
Subtract the new number by the original number
156 - 122 = 34
34 ÷ 122 = 0.2786885245901639
0.2786885245901639 x 100 = 27.87%