-16.03% is the change from 499 to 419
Calculation steps:
[( 419 - 499 ) ÷ 499] x 100 = -16.03%
Formula
Percentage change = [(419 - 499) / 499] x 100
Subtract the new number by the original number
419 - 499 = -80
-80 ÷ 499 = -0.16032064128256512
-0.16032064128256512 x 100 = -16.03%