793.51% is the change from 77 to 688
Calculation steps:
[( 688 - 77 ) ÷ 77] x 100 = 793.51%
Formula
Percentage change = [(688 - 77) / 77] x 100
Subtract the new number by the original number
688 - 77 = 611
611 ÷ 77 = 7.935064935064935
7.935064935064935 x 100 = 793.51%