585.94% is the change from 64 to 439
Calculation steps:
[( 439 - 64 ) ÷ 64] x 100 = 585.94%
Formula
Percentage change = [(439 - 64) / 64] x 100
Subtract the new number by the original number
439 - 64 = 375
375 ÷ 64 = 5.859375
5.859375 x 100 = 585.94%