124.39% is the change from 123 to 276
Calculation steps:
[( 276 - 123 ) ÷ 123] x 100 = 124.39%
Formula
Percentage change = [(276 - 123) / 123] x 100
Subtract the new number by the original number
276 - 123 = 153
153 ÷ 123 = 1.2439024390243902
1.2439024390243902 x 100 = 124.39%