-28% is the change from 993 to 715
Calculation steps:
[( 715 - 993 ) ÷ 993] x 100 = -28%
Formula
Percentage change = [(715 - 993) / 993] x 100
Subtract the new number by the original number
715 - 993 = -278
-278 ÷ 993 = -0.2799597180261833
-0.2799597180261833 x 100 = -28%