73.39% is the change from 124 to 215
Calculation steps:
[( 215 - 124 ) ÷ 124] x 100 = 73.39%
Formula
Percentage change = [(215 - 124) / 124] x 100
Subtract the new number by the original number
215 - 124 = 91
91 ÷ 124 = 0.7338709677419355
0.7338709677419355 x 100 = 73.39%