-19.24% is the change from 499 to 403
Calculation steps:
[( 403 - 499 ) ÷ 499] x 100 = -19.24%
Formula
Percentage change = [(403 - 499) / 499] x 100
Subtract the new number by the original number
403 - 499 = -96
-96 ÷ 499 = -0.19238476953907815
-0.19238476953907815 x 100 = -19.24%