5.68% is the change from 511 to 540
Calculation steps:
[( 540 - 511 ) ÷ 511] x 100 = 5.68%
Formula
Percentage change = [(540 - 511) / 511] x 100
Subtract the new number by the original number
540 - 511 = 29
29 ÷ 511 = 0.05675146771037182
0.05675146771037182 x 100 = 5.68%