-31.62% is the change from 993 to 679
Calculation steps:
[( 679 - 993 ) ÷ 993] x 100 = -31.62%
Formula
Percentage change = [(679 - 993) / 993] x 100
Subtract the new number by the original number
679 - 993 = -314
-314 ÷ 993 = -0.3162134944612286
-0.3162134944612286 x 100 = -31.62%