646.15% is the change from 78 to 582
Calculation steps:
[( 582 - 78 ) ÷ 78] x 100 = 646.15%
Formula
Percentage change = [(582 - 78) / 78] x 100
Subtract the new number by the original number
582 - 78 = 504
504 ÷ 78 = 6.461538461538462
6.461538461538462 x 100 = 646.15%