Chart Data Table Formatting

[FLSteve]

I have a line chart with 8 data series. I'd like to display four of those in a data table under the chart. When I add data table, the font is too large and I can't seem to limit the number of data series displayed.
Suggestions?
Using Microsoft Office 365 ProPlus

 

[FLSteve]

I've got the chart on a single page and have found if I right click the entire chart, there's a "Font" option. That controls the fonts on the data table.
There doesn't seem to be a way to include data on the chart and exclude it from the data table.