389% is the change from 100 to 489
Calculation steps:
[( 489 - 100 ) ÷ 100] x 100 = 389%
Formula
Percentage change = [(489 - 100) / 100] x 100
Subtract the new number by the original number
489 - 100 = 389
389 ÷ 100 = 3.89
3.89 x 100 = 389%
Example