-94.27% is the change from 489 to 28
Calculation steps:
[( 28 - 489 ) ÷ 489] x 100 = -94.27%
Formula
Percentage change = [(28 - 489) / 489] x 100
Subtract the new number by the original number
28 - 489 = -461
-461 ÷ 489 = -0.9427402862985685
-0.9427402862985685 x 100 = -94.27%