1171.88% is the change from 64 to 814
Calculation steps:
[( 814 - 64 ) ÷ 64] x 100 = 1171.88%
Formula
Percentage change = [(814 - 64) / 64] x 100
Subtract the new number by the original number
814 - 64 = 750
750 ÷ 64 = 11.71875
11.71875 x 100 = 1171.88%