104.5% is the change from 489 to 1000
Calculation steps:
[( 1000 - 489 ) ÷ 489] x 100 = 104.5%
Formula
Percentage change = [(1000 - 489) / 489] x 100
Subtract the new number by the original number
1000 - 489 = 511
511 ÷ 489 = 1.0449897750511248
1.0449897750511248 x 100 = 104.5%