Add a chart title

In your chart, select the "Chart Title" box and type in a title.

Select the plus sign.

Select the arrow next to Chart Title.

Select Centered Overlay to lay the title over the chart, or More Options for additional choices.

Right-click the chart title to format it. with options like Fill or Outline.

Select a chart title.

Add an equal sign to the formula bar.

Select the cell you want to link any title changes to.

Press Enter.