-35.67% is the change from 684 to 440
Calculation steps:
[( 440 - 684 ) ÷ 684] x 100 = -35.67%
Formula
Percentage change = [(440 - 684) / 684] x 100
Subtract the new number by the original number
440 - 684 = -244
-244 ÷ 684 = -0.3567251461988304
-0.3567251461988304 x 100 = -35.67%