51.6% is the change from 312 to 473
Calculation steps:
[( 473 - 312 ) ÷ 312] x 100 = 51.6%
Formula
Percentage change = [(473 - 312) / 312] x 100
Subtract the new number by the original number
473 - 312 = 161
161 ÷ 312 = 0.5160256410256411
0.5160256410256411 x 100 = 51.6%