8.59% is the change from 489 to 531
Calculation steps:
[( 531 - 489 ) ÷ 489] x 100 = 8.59%
Formula
Percentage change = [(531 - 489) / 489] x 100
Subtract the new number by the original number
531 - 489 = 42
42 ÷ 489 = 0.08588957055214724
0.08588957055214724 x 100 = 8.59%