3.73% is the change from 510 to 529
Calculation steps:
[( 529 - 510 ) ÷ 510] x 100 = 3.73%
Formula
Percentage change = [(529 - 510) / 510] x 100
Subtract the new number by the original number
529 - 510 = 19
19 ÷ 510 = 0.03725490196078431
0.03725490196078431 x 100 = 3.73%