Dynamic Chart Title From The Cell
Go to the ribbon to the Design tab which just appeared. Click Add Chart Element button. From the list choose Chart Title and select Above Chart or Centered Overlay.
In the formula bar type = and click the cell which contains the title for your chart.
For me it is =Sheet1!$A$1. Sheet1 is the name of my worksheet and A1 is the cell which contains the chart title.
Template
You can download the Template here – Download
Further reading: Basic concepts Getting started with Excel Cell References