-11.68% is the change from 685 to 605
Calculation steps:
[( 605 - 685 ) ÷ 685] x 100 = -11.68%
Formula
Percentage change = [(605 - 685) / 685] x 100
Subtract the new number by the original number
605 - 685 = -80
-80 ÷ 685 = -0.11678832116788321
-0.11678832116788321 x 100 = -11.68%