829.69% is the change from 64 to 595
Calculation steps:
[( 595 - 64 ) ÷ 64] x 100 = 829.69%
Formula
Percentage change = [(595 - 64) / 64] x 100
Subtract the new number by the original number
595 - 64 = 531
531 ÷ 64 = 8.296875
8.296875 x 100 = 829.69%