-8.59% is the change from 489 to 447
Calculation steps:
[( 447 - 489 ) ÷ 489] x 100 = -8.59%
Formula
Percentage change = [(447 - 489) / 489] x 100
Subtract the new number by the original number
447 - 489 = -42
-42 ÷ 489 = -0.08588957055214724
-0.08588957055214724 x 100 = -8.59%