1248.44% is the change from 64 to 863
Calculation steps:
[( 863 - 64 ) ÷ 64] x 100 = 1248.44%
Formula
Percentage change = [(863 - 64) / 64] x 100
Subtract the new number by the original number
863 - 64 = 799
799 ÷ 64 = 12.484375
12.484375 x 100 = 1248.44%