-42.19% is the change from 685 to 396
Calculation steps:
[( 396 - 685 ) ÷ 685] x 100 = -42.19%
Formula
Percentage change = [(396 - 685) / 685] x 100
Subtract the new number by the original number
396 - 685 = -289
-289 ÷ 685 = -0.4218978102189781
-0.4218978102189781 x 100 = -42.19%