-98.25% is the change from 684 to 12
Calculation steps:
[( 12 - 684 ) ÷ 684] x 100 = -98.25%
Formula
Percentage change = [(12 - 684) / 684] x 100
Subtract the new number by the original number
12 - 684 = -672
-672 ÷ 684 = -0.9824561403508771
-0.9824561403508771 x 100 = -98.25%