-90.59% is the change from 489 to 46
Calculation steps:
[( 46 - 489 ) ÷ 489] x 100 = -90.59%
Formula
Percentage change = [(46 - 489) / 489] x 100
Subtract the new number by the original number
46 - 489 = -443
-443 ÷ 489 = -0.9059304703476483
-0.9059304703476483 x 100 = -90.59%