97.55% is the change from 489 to 966
Calculation steps:
[( 966 - 489 ) ÷ 489] x 100 = 97.55%
Formula
Percentage change = [(966 - 489) / 489] x 100
Subtract the new number by the original number
966 - 489 = 477
477 ÷ 489 = 0.9754601226993865
0.9754601226993865 x 100 = 97.55%