38.97% is the change from 290 to 403
Calculation steps:
[( 403 - 290 ) ÷ 290] x 100 = 38.97%
Formula
Percentage change = [(403 - 290) / 290] x 100
Subtract the new number by the original number
403 - 290 = 113
113 ÷ 290 = 0.3896551724137931
0.3896551724137931 x 100 = 38.97%