66.87% is the change from 489 to 816
Calculation steps:
[( 816 - 489 ) ÷ 489] x 100 = 66.87%
Formula
Percentage change = [(816 - 489) / 489] x 100
Subtract the new number by the original number
816 - 489 = 327
327 ÷ 489 = 0.6687116564417178
0.6687116564417178 x 100 = 66.87%