16.17% is the change from 439 to 510
Calculation steps:
[( 510 - 439 ) ÷ 439] x 100 = 16.17%
Formula
Percentage change = [(510 - 439) / 439] x 100
Subtract the new number by the original number
510 - 439 = 71
71 ÷ 439 = 0.16173120728929385
0.16173120728929385 x 100 = 16.17%