-73.68% is the change from 684 to 180
Calculation steps:
[( 180 - 684 ) ÷ 684] x 100 = -73.68%
Formula
Percentage change = [(180 - 684) / 684] x 100
Subtract the new number by the original number
180 - 684 = -504
-504 ÷ 684 = -0.7368421052631579
-0.7368421052631579 x 100 = -73.68%