3.33% is the change from 511 to 528
Calculation steps:
[( 528 - 511 ) ÷ 511] x 100 = 3.33%
Formula
Percentage change = [(528 - 511) / 511] x 100
Subtract the new number by the original number
528 - 511 = 17
17 ÷ 511 = 0.033268101761252444
0.033268101761252444 x 100 = 3.33%