20.65% is the change from 431 to 520
Calculation steps:
[( 520 - 431 ) ÷ 431] x 100 = 20.65%
Formula
Percentage change = [(520 - 431) / 431] x 100
Subtract the new number by the original number
520 - 431 = 89
89 ÷ 431 = 0.20649651972157773
0.20649651972157773 x 100 = 20.65%