-14.51% is the change from 999 to 854
Calculation steps:
[( 854 - 999 ) ÷ 999] x 100 = -14.51%
Formula
Percentage change = [(854 - 999) / 999] x 100
Subtract the new number by the original number
854 - 999 = -145
-145 ÷ 999 = -0.14514514514514515
-0.14514514514514515 x 100 = -14.51%