-15.01% is the change from 993 to 844
Calculation steps:
[( 844 - 993 ) ÷ 993] x 100 = -15.01%
Formula
Percentage change = [(844 - 993) / 993] x 100
Subtract the new number by the original number
844 - 993 = -149
-149 ÷ 993 = -0.1500503524672709
-0.1500503524672709 x 100 = -15.01%