839.06% is the change from 64 to 601
Calculation steps:
[( 601 - 64 ) ÷ 64] x 100 = 839.06%
Formula
Percentage change = [(601 - 64) / 64] x 100
Subtract the new number by the original number
601 - 64 = 537
537 ÷ 64 = 8.390625
8.390625 x 100 = 839.06%