64.42% is the change from 489 to 804
Calculation steps:
[( 804 - 489 ) ÷ 489] x 100 = 64.42%
Formula
Percentage change = [(804 - 489) / 489] x 100
Subtract the new number by the original number
804 - 489 = 315
315 ÷ 489 = 0.6441717791411042
0.6441717791411042 x 100 = 64.42%