769.23% is the change from 78 to 678
Calculation steps:
[( 678 - 78 ) ÷ 78] x 100 = 769.23%
Formula
Percentage change = [(678 - 78) / 78] x 100
Subtract the new number by the original number
678 - 78 = 600
600 ÷ 78 = 7.6923076923076925
7.6923076923076925 x 100 = 769.23%