39.52% is the change from 124 to 173
Calculation steps:
[( 173 - 124 ) ÷ 124] x 100 = 39.52%
Formula
Percentage change = [(173 - 124) / 124] x 100
Subtract the new number by the original number
173 - 124 = 49
49 ÷ 124 = 0.3951612903225806
0.3951612903225806 x 100 = 39.52%