-34.65% is the change from 684 to 447
Calculation steps:
[( 447 - 684 ) ÷ 684] x 100 = -34.65%
Formula
Percentage change = [(447 - 684) / 684] x 100
Subtract the new number by the original number
447 - 684 = -237
-237 ÷ 684 = -0.34649122807017546
-0.34649122807017546 x 100 = -34.65%