9.28% is the change from 431 to 471
Calculation steps:
[( 471 - 431 ) ÷ 431] x 100 = 9.28%
Formula
Percentage change = [(471 - 431) / 431] x 100
Subtract the new number by the original number
471 - 431 = 40
40 ÷ 431 = 0.09280742459396751
0.09280742459396751 x 100 = 9.28%