Answer:
I believe it is science, but before you do anything with this answer, research more on it, just in case I'm wrong! :)
Explanation:
format>number>percent
Explanation:
You click the box you want to convert into a percentage and then at the top where it says file, edit, view, insert, format, data, tools, add-ons and help, click format then number and then percent. This should convert your number into a percentage.
To answer your question it is false. This is because excels default orientation is portrait
depends you could use .doc .pdf whatever you would prefer if you made a document and named it mybirthdaylist if you would put it in .doc or .pdf