1204.69% is the change from 64 to 835
Calculation steps:
[( 835 - 64 ) ÷ 64] x 100 = 1204.69%
Formula
Percentage change = [(835 - 64) / 64] x 100
Subtract the new number by the original number
835 - 64 = 771
771 ÷ 64 = 12.046875
12.046875 x 100 = 1204.69%