-96.73% is the change from 489 to 16
Calculation steps:
[( 16 - 489 ) ÷ 489] x 100 = -96.73%
Formula
Percentage change = [(16 - 489) / 489] x 100
Subtract the new number by the original number
16 - 489 = -473
-473 ÷ 489 = -0.967280163599182
-0.967280163599182 x 100 = -96.73%