How to create an Executive Summary style NPM report that will monitor Port-Channel interface that connects to our ISP?

We just brought in a new ISP circuit, 7Gbps for our college students to use, and the President of the college wants us to provide him with a summary report that will show the bandwidth utilization on the 10Gbps LACP port channel that connects to the ISP.  He would like the report to give a glimpse of the previous 7 days.