1253.13% is the change from 64 to 866
Calculation steps:
[( 866 - 64 ) ÷ 64] x 100 = 1253.13%
Formula
Percentage change = [(866 - 64) / 64] x 100
Subtract the new number by the original number
866 - 64 = 802
802 ÷ 64 = 12.53125
12.53125 x 100 = 1253.13%