50.97% is the change from 308 to 465
Calculation steps:
[( 465 - 308 ) ÷ 308] x 100 = 50.97%
Formula
Percentage change = [(465 - 308) / 308] x 100
Subtract the new number by the original number
465 - 308 = 157
157 ÷ 308 = 0.5097402597402597
0.5097402597402597 x 100 = 50.97%