-36.55% is the change from 684 to 434
Calculation steps:
[( 434 - 684 ) ÷ 684] x 100 = -36.55%
Formula
Percentage change = [(434 - 684) / 684] x 100
Subtract the new number by the original number
434 - 684 = -250
-250 ÷ 684 = -0.3654970760233918
-0.3654970760233918 x 100 = -36.55%