17.77% is the change from 439 to 517
Calculation steps:
[( 517 - 439 ) ÷ 439] x 100 = 17.77%
Formula
Percentage change = [(517 - 439) / 439] x 100
Subtract the new number by the original number
517 - 439 = 78
78 ÷ 439 = 0.1776765375854214
0.1776765375854214 x 100 = 17.77%