0.8% is the change from 502 to 506
Calculation steps:
[( 506 - 502 ) ÷ 502] x 100 = 0.8%
Formula
Percentage change = [(506 - 502) / 502] x 100
Subtract the new number by the original number
506 - 502 = 4
4 ÷ 502 = 0.00796812749003984
0.00796812749003984 x 100 = 0.8%