102.25% is the change from 489 to 989
Calculation steps:
[( 989 - 489 ) ÷ 489] x 100 = 102.25%
Formula
Percentage change = [(989 - 489) / 489] x 100
Subtract the new number by the original number
989 - 489 = 500
500 ÷ 489 = 1.0224948875255624
1.0224948875255624 x 100 = 102.25%