-40.44% is the change from 685 to 408
Calculation steps:
[( 408 - 685 ) ÷ 685] x 100 = -40.44%
Formula
Percentage change = [(408 - 685) / 685] x 100
Subtract the new number by the original number
408 - 685 = -277
-277 ÷ 685 = -0.4043795620437956
-0.4043795620437956 x 100 = -40.44%