-16.36% is the change from 489 to 409
Calculation steps:
[( 409 - 489 ) ÷ 489] x 100 = -16.36%
Formula
Percentage change = [(409 - 489) / 489] x 100
Subtract the new number by the original number
409 - 489 = -80
-80 ÷ 489 = -0.16359918200409
-0.16359918200409 x 100 = -16.36%