685.71% is the change from 77 to 605
Calculation steps:
[( 605 - 77 ) ÷ 77] x 100 = 685.71%
Formula
Percentage change = [(605 - 77) / 77] x 100
Subtract the new number by the original number
605 - 77 = 528
528 ÷ 77 = 6.857142857142857
6.857142857142857 x 100 = 685.71%