2.4% is the change from 499 to 511
Calculation steps:
[( 511 - 499 ) ÷ 499] x 100 = 2.4%
Formula
Percentage change = [(511 - 499) / 499] x 100
Subtract the new number by the original number
511 - 499 = 12
12 ÷ 499 = 0.02404809619238477
0.02404809619238477 x 100 = 2.4%