13.92% is the change from 431 to 491
Calculation steps:
[( 491 - 431 ) ÷ 431] x 100 = 13.92%
Formula
Percentage change = [(491 - 431) / 431] x 100
Subtract the new number by the original number
491 - 431 = 60
60 ÷ 431 = 0.13921113689095127
0.13921113689095127 x 100 = 13.92%