0.6% is the change from 502 to 505
Calculation steps:
[( 505 - 502 ) ÷ 502] x 100 = 0.6%
Formula
Percentage change = [(505 - 502) / 502] x 100
Subtract the new number by the original number
505 - 502 = 3
3 ÷ 502 = 0.00597609561752988
0.00597609561752988 x 100 = 0.6%