To edit an existing chart, select ‘Data Labs’ from the left-hand column and then click on ‘Charts’. Here you will be presented with all of the charts that have been created for your business. Locate the chart you would like to edit and then click on it in order to select it. After clicking on your chosen chart a menu will appear on the right-hand side with an option to ‘Edit’. After clicking on ‘Edit’ you will be presented with the chart creation screen containing all the default settings for the chart. The first tab will allow you to edit the data within the chart and the second tab will allow you to edit the chart format.