1.79% is the change from 502 to 511
Calculation steps:
[( 511 - 502 ) ÷ 502] x 100 = 1.79%
Formula
Percentage change = [(511 - 502) / 502] x 100
Subtract the new number by the original number
511 - 502 = 9
9 ÷ 502 = 0.017928286852589643
0.017928286852589643 x 100 = 1.79%