-97.64% is the change from 679 to 16
Calculation steps:
[( 16 - 679 ) ÷ 679] x 100 = -97.64%
Formula
Percentage change = [(16 - 679) / 679] x 100
Subtract the new number by the original number
16 - 679 = -663
-663 ÷ 679 = -0.9764359351988218
-0.9764359351988218 x 100 = -97.64%