The Grid Table display in creates a table in the Layer Controls tab of the Data Explorer. This chart plots the numerical value of your selected field at every latitude and longitude point. You can change the order of the items in this chart by Latitude, Longitude, or field values by clicking on the title of the respective column in the table. This will change the order of the table to go from lower to higher values, or higher to lower values.
All of the menu items seen utilizing this display are standard options that can be found in the Menus section of the Layer Controls page.