51.32% is the change from 302 to 457
Calculation steps:
[( 457 - 302 ) ÷ 302] x 100 = 51.32%
Formula
Percentage change = [(457 - 302) / 302] x 100
Subtract the new number by the original number
457 - 302 = 155
155 ÷ 302 = 0.5132450331125827
0.5132450331125827 x 100 = 51.32%