-79.53% is the change from 684 to 140
Calculation steps:
[( 140 - 684 ) ÷ 684] x 100 = -79.53%
Formula
Percentage change = [(140 - 684) / 684] x 100
Subtract the new number by the original number
140 - 684 = -544
-544 ÷ 684 = -0.7953216374269005
-0.7953216374269005 x 100 = -79.53%