50.32% is the change from 312 to 469
Calculation steps:
[( 469 - 312 ) ÷ 312] x 100 = 50.32%
Formula
Percentage change = [(469 - 312) / 312] x 100
Subtract the new number by the original number
469 - 312 = 157
157 ÷ 312 = 0.5032051282051282
0.5032051282051282 x 100 = 50.32%