1245.31% is the change from 64 to 861
Calculation steps:
[( 861 - 64 ) ÷ 64] x 100 = 1245.31%
Formula
Percentage change = [(861 - 64) / 64] x 100
Subtract the new number by the original number
861 - 64 = 797
797 ÷ 64 = 12.453125
12.453125 x 100 = 1245.31%