-82% is the change from 489 to 88
Calculation steps:
[( 88 - 489 ) ÷ 489] x 100 = -82%
Formula
Percentage change = [(88 - 489) / 489] x 100
Subtract the new number by the original number
88 - 489 = -401
-401 ÷ 489 = -0.820040899795501
-0.820040899795501 x 100 = -82%