-37.43% is the change from 684 to 428
Calculation steps:
[( 428 - 684 ) ÷ 684] x 100 = -37.43%
Formula
Percentage change = [(428 - 684) / 684] x 100
Subtract the new number by the original number
428 - 684 = -256
-256 ÷ 684 = -0.3742690058479532
-0.3742690058479532 x 100 = -37.43%