3.19% is the change from 501 to 517
Calculation steps:
[( 517 - 501 ) ÷ 501] x 100 = 3.19%
Formula
Percentage change = [(517 - 501) / 501] x 100
Subtract the new number by the original number
517 - 501 = 16
16 ÷ 501 = 0.031936127744510975
0.031936127744510975 x 100 = 3.19%