Awsome Tips for Excel 2016 from Excel Champs :
Excel Blog – Free Online Microsoft Excel Tutorials by ExcelChamps
Now, Honestly the best simple Pivot Table explanation hands down is
"Excel 2016 - Demystifying Pivot Tables"
And now, let’s learn this entire thing step by step...
...and make sure to download these sample files from here to follow along.
Among all the links I might put here, there is an awsome article which you really should see at:
40 Excel Tutorials to revolutionize your Excel spreadsheets