20.25% is the change from 489 to 588
Calculation steps:
[( 588 - 489 ) ÷ 489] x 100 = 20.25%
Formula
Percentage change = [(588 - 489) / 489] x 100
Subtract the new number by the original number
588 - 489 = 99
99 ÷ 489 = 0.20245398773006135
0.20245398773006135 x 100 = 20.25%