17.07% is the change from 123 to 144
Calculation steps:
[( 144 - 123 ) ÷ 123] x 100 = 17.07%
Formula
Percentage change = [(144 - 123) / 123] x 100
Subtract the new number by the original number
144 - 123 = 21
21 ÷ 123 = 0.17073170731707318
0.17073170731707318 x 100 = 17.07%