What data table display compares report metrics to the website average?
In Google Analytics, you can choose different types of reports. Also, you can use different tables to display data. For example, pivot tables, flat tables etc. If you want a data table which compares metrics to the website average, you should us comparison tables. This report is great for identifying the winners and the losers in the data groups.
By default, the Comparison table compares metrics against a site’s average. Note, that you can also compare against your sites historical data range.
Learn more on the official Google support website.