-0.2% is the change from 499 to 498
Calculation steps:
[( 498 - 499 ) ÷ 499] x 100 = -0.2%
Formula
Percentage change = [(498 - 499) / 499] x 100
Subtract the new number by the original number
498 - 499 = -1
-1 ÷ 499 = -0.002004008016032064
-0.002004008016032064 x 100 = -0.2%