-18.24% is the change from 499 to 408
Calculation steps:
[( 408 - 499 ) ÷ 499] x 100 = -18.24%
Formula
Percentage change = [(408 - 499) / 499] x 100
Subtract the new number by the original number
408 - 499 = -91
-91 ÷ 499 = -0.18236472945891782
-0.18236472945891782 x 100 = -18.24%