-1.2% is the change from 502 to 496
Calculation steps:
[( 496 - 502 ) ÷ 502] x 100 = -1.2%
Formula
Percentage change = [(496 - 502) / 502] x 100
Subtract the new number by the original number
496 - 502 = -6
-6 ÷ 502 = -0.01195219123505976
-0.01195219123505976 x 100 = -1.2%