43.93% is the change from 280 to 403
Calculation steps:
[( 403 - 280 ) ÷ 280] x 100 = 43.93%
Formula
Percentage change = [(403 - 280) / 280] x 100
Subtract the new number by the original number
403 - 280 = 123
123 ÷ 280 = 0.4392857142857143
0.4392857142857143 x 100 = 43.93%