15.6% is the change from 109 to 126
Calculation steps:
[( 126 - 109 ) ÷ 109] x 100 = 15.6%
Formula
Percentage change = [(126 - 109) / 109] x 100
Subtract the new number by the original number
126 - 109 = 17
17 ÷ 109 = 0.1559633027522936
0.1559633027522936 x 100 = 15.6%