83.84% is the change from 489 to 899
Calculation steps:
[( 899 - 489 ) ÷ 489] x 100 = 83.84%
Formula
Percentage change = [(899 - 489) / 489] x 100
Subtract the new number by the original number
899 - 489 = 410
410 ÷ 489 = 0.8384458077709611
0.8384458077709611 x 100 = 83.84%