-37.72% is the change from 684 to 426
Calculation steps:
[( 426 - 684 ) ÷ 684] x 100 = -37.72%
Formula
Percentage change = [(426 - 684) / 684] x 100
Subtract the new number by the original number
426 - 684 = -258
-258 ÷ 684 = -0.37719298245614036
-0.37719298245614036 x 100 = -37.72%