771.79% is the change from 78 to 680
Calculation steps:
[( 680 - 78 ) ÷ 78] x 100 = 771.79%
Formula
Percentage change = [(680 - 78) / 78] x 100
Subtract the new number by the original number
680 - 78 = 602
602 ÷ 78 = 7.717948717948718
7.717948717948718 x 100 = 771.79%