-15.09% is the change from 994 to 844
Calculation steps:
[( 844 - 994 ) ÷ 994] x 100 = -15.09%
Formula
Percentage change = [(844 - 994) / 994] x 100
Subtract the new number by the original number
844 - 994 = -150
-150 ÷ 994 = -0.15090543259557343
-0.15090543259557343 x 100 = -15.09%