664.06% is the change from 64 to 489
Calculation steps:
[( 489 - 64 ) ÷ 64] x 100 = 664.06%
Formula
Percentage change = [(489 - 64) / 64] x 100
Subtract the new number by the original number
489 - 64 = 425
425 ÷ 64 = 6.640625
6.640625 x 100 = 664.06%