you can use this data information to create your own pivot table/s with totals and subtotals, the best way i find to learn anything is to start at the beginning and in this case it is with the data. A simple web search will give you access to loads of training materials / instructions specific to your own requirements.
The site i gave you above has links to specific types of Pivot functions so i would start there.
I have updated the link below to the Pivot material.
Pivot
Sorry can't help/advise you more as I am self taught so picked it up over the years as needed and have done no official training courses
Quite a few of the YouTube videos provide links to their How To page which in turn links back to the Video and also gives you their practice files.
Excel Advanced Pivot Tables - Xelplus - Leila Gharani
https://www.myonlinetraininghub.com/excel-pivot-table-video-tutorial
Use Excel Pivot Table Calculated Field or Calculated Item