-98.22% is the change from 675 to 12
Calculation steps:
[( 12 - 675 ) ÷ 675] x 100 = -98.22%
Formula
Percentage change = [(12 - 675) / 675] x 100
Subtract the new number by the original number
12 - 675 = -663
-663 ÷ 675 = -0.9822222222222222
-0.9822222222222222 x 100 = -98.22%