50.96% is the change from 312 to 471
Calculation steps:
[( 471 - 312 ) ÷ 312] x 100 = 50.96%
Formula
Percentage change = [(471 - 312) / 312] x 100
Subtract the new number by the original number
471 - 312 = 159
159 ÷ 312 = 0.5096153846153846
0.5096153846153846 x 100 = 50.96%