-34.6% is the change from 685 to 448
Calculation steps:
[( 448 - 685 ) ÷ 685] x 100 = -34.6%
Formula
Percentage change = [(448 - 685) / 685] x 100
Subtract the new number by the original number
448 - 685 = -237
-237 ÷ 685 = -0.345985401459854
-0.345985401459854 x 100 = -34.6%