696.51% is the change from 86 to 685
Calculation steps:
[( 685 - 86 ) ÷ 86] x 100 = 696.51%
Formula
Percentage change = [(685 - 86) / 86] x 100
Subtract the new number by the original number
685 - 86 = 599
599 ÷ 86 = 6.965116279069767
6.965116279069767 x 100 = 696.51%