The number of unique articles that do appear in one or more price lists but do not appear in the available articles, plotted against to the total number of unique articles in price list (see also General tab) (in the chosen data language by the logged in user).
Result of the calculation is the percentage of unique articles in price list for which no extended article information is available.
2. Create an export with the following settings: "Column collection: Standard", "Difference list catalog/price lists" and "Include expired articles" checked.