-32.83% is the change from 993 to 667
Calculation steps:
[( 667 - 993 ) ÷ 993] x 100 = -32.83%
Formula
Percentage change = [(667 - 993) / 993] x 100
Subtract the new number by the original number
667 - 993 = -326
-326 ÷ 993 = -0.3282980866062437
-0.3282980866062437 x 100 = -32.83%