-81.19% is the change from 489 to 92
Calculation steps:
[( 92 - 489 ) ÷ 489] x 100 = -81.19%
Formula
Percentage change = [(92 - 489) / 489] x 100
Subtract the new number by the original number
92 - 489 = -397
-397 ÷ 489 = -0.8118609406952966
-0.8118609406952966 x 100 = -81.19%