3.53% is the change from 510 to 528
Calculation steps:
[( 528 - 510 ) ÷ 510] x 100 = 3.53%
Formula
Percentage change = [(528 - 510) / 510] x 100
Subtract the new number by the original number
528 - 510 = 18
18 ÷ 510 = 0.03529411764705882
0.03529411764705882 x 100 = 3.53%