33% is the change from 303 to 403
Calculation steps:
[( 403 - 303 ) ÷ 303] x 100 = 33%
Formula
Percentage change = [(403 - 303) / 303] x 100
Subtract the new number by the original number
403 - 303 = 100
100 ÷ 303 = 0.33003300330033003
0.33003300330033003 x 100 = 33%