2.82% is the change from 497 to 511
Calculation steps:
[( 511 - 497 ) ÷ 497] x 100 = 2.82%
Formula
Percentage change = [(511 - 497) / 497] x 100
Subtract the new number by the original number
511 - 497 = 14
14 ÷ 497 = 0.028169014084507043
0.028169014084507043 x 100 = 2.82%