-98.23% is the change from 679 to 12
Calculation steps:
[( 12 - 679 ) ÷ 679] x 100 = -98.23%
Formula
Percentage change = [(12 - 679) / 679] x 100
Subtract the new number by the original number
12 - 679 = -667
-667 ÷ 679 = -0.9823269513991163
-0.9823269513991163 x 100 = -98.23%