-90.18% is the change from 489 to 48
Calculation steps:
[( 48 - 489 ) ÷ 489] x 100 = -90.18%
Formula
Percentage change = [(48 - 489) / 489] x 100
Subtract the new number by the original number
48 - 489 = -441
-441 ÷ 489 = -0.901840490797546
-0.901840490797546 x 100 = -90.18%