Before you get Excel to read your data for you, take a moment to adjust the voice. Crucially, you can't do this inside ...
Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
SharePains by Pieter Veenstra on MSN

CountRows, CountIf, CountA and Count in Power Apps

How often would you like to count the number of records without really wanting to load all the records that exist in a list ...