723.08% is the change from 78 to 642
Calculation steps:
[( 642 - 78 ) ÷ 78] x 100 = 723.08%
Formula
Percentage change = [(642 - 78) / 78] x 100
Subtract the new number by the original number
642 - 78 = 564
564 ÷ 78 = 7.230769230769231
7.230769230769231 x 100 = 723.08%