Key Figures: Physical Inventory 
Book Inventory Balance
This is the stock that exists in the system at the start of the physical inventory.
This key figure is displayed in terms of the following: quantity (in base unit of measure), cost, rtlT, rtl.
Counted Stock
This key figure expresses the stock that was counted during the physical inventory.
This key figure is displayed in terms of the following: quantity (in base unit of measure), cost, rtlT, rtl.
Inventory Difference -
This key figure expresses the difference between the counted stock and the book inventory balance.
A negative inventory difference occurs when the counted stock is smaller than the book inventory balance.
This key figure is displayed in terms of the following: quantity (in base unit of measure), cost, rtlT, rtl.
Inventory Difference +
This key figure expresses the difference between the book inventory balance and the counted stock.
A positive inventory difference occurs when the counted stock is larger than the book inventory balance.
See also:
How Key Figures Are Calculated