90.39% is the change from 489 to 931
Calculation steps:
[( 931 - 489 ) ÷ 489] x 100 = 90.39%
Formula
Percentage change = [(931 - 489) / 489] x 100
Subtract the new number by the original number
931 - 489 = 442
442 ÷ 489 = 0.9038854805725971
0.9038854805725971 x 100 = 90.39%