65.44% is the change from 489 to 809
Calculation steps:
[( 809 - 489 ) ÷ 489] x 100 = 65.44%
Formula
Percentage change = [(809 - 489) / 489] x 100
Subtract the new number by the original number
809 - 489 = 320
320 ÷ 489 = 0.65439672801636
0.65439672801636 x 100 = 65.44%