18.2% is the change from 489 to 578
Calculation steps:
[( 578 - 489 ) ÷ 489] x 100 = 18.2%
Formula
Percentage change = [(578 - 489) / 489] x 100
Subtract the new number by the original number
578 - 489 = 89
89 ÷ 489 = 0.18200408997955012
0.18200408997955012 x 100 = 18.2%