48.84% is the change from 303 to 451
Calculation steps:
[( 451 - 303 ) ÷ 303] x 100 = 48.84%
Formula
Percentage change = [(451 - 303) / 303] x 100
Subtract the new number by the original number
451 - 303 = 148
148 ÷ 303 = 0.4884488448844885
0.4884488448844885 x 100 = 48.84%