781.82% is the change from 66 to 582
Calculation steps:
[( 582 - 66 ) ÷ 66] x 100 = 781.82%
Formula
Percentage change = [(582 - 66) / 66] x 100
Subtract the new number by the original number
582 - 66 = 516
516 ÷ 66 = 7.818181818181818
7.818181818181818 x 100 = 781.82%