2.54% is the change from 511 to 524
Calculation steps:
[( 524 - 511 ) ÷ 511] x 100 = 2.54%
Formula
Percentage change = [(524 - 511) / 511] x 100
Subtract the new number by the original number
524 - 511 = 13
13 ÷ 511 = 0.025440313111545987
0.025440313111545987 x 100 = 2.54%