2.71% is the change from 517 to 531
Calculation steps:
[( 531 - 517 ) ÷ 517] x 100 = 2.71%
Formula
Percentage change = [(531 - 517) / 517] x 100
Subtract the new number by the original number
531 - 517 = 14
14 ÷ 517 = 0.027079303675048357
0.027079303675048357 x 100 = 2.71%