-98.77% is the change from 489 to 6
Calculation steps:
[( 6 - 489 ) ÷ 489] x 100 = -98.77%
Formula
Percentage change = [(6 - 489) / 489] x 100
Subtract the new number by the original number
6 - 489 = -483
-483 ÷ 489 = -0.9877300613496932
-0.9877300613496932 x 100 = -98.77%