104.09% is the change from 489 to 998
Calculation steps:
[( 998 - 489 ) ÷ 489] x 100 = 104.09%
Formula
Percentage change = [(998 - 489) / 489] x 100
Subtract the new number by the original number
998 - 489 = 509
509 ÷ 489 = 1.0408997955010224
1.0408997955010224 x 100 = 104.09%