53.23% is the change from 310 to 475
Calculation steps:
[( 475 - 310 ) ÷ 310] x 100 = 53.23%
Formula
Percentage change = [(475 - 310) / 310] x 100
Subtract the new number by the original number
475 - 310 = 165
165 ÷ 310 = 0.532258064516129
0.532258064516129 x 100 = 53.23%