66.46% is the change from 489 to 814
Calculation steps:
[( 814 - 489 ) ÷ 489] x 100 = 66.46%
Formula
Percentage change = [(814 - 489) / 489] x 100
Subtract the new number by the original number
814 - 489 = 325
325 ÷ 489 = 0.6646216768916156
0.6646216768916156 x 100 = 66.46%