Looks like the moderators already did lol.
So I've learned that 'format' is purely for strings. So it is by default turning my calculated number into text. The only semi intelligent answer I received on Yahoo Answers is below, but the end result is obviously the same cell my function is in, so I don't know how to convert this guys suggestion into what I'm trying to accomplish.
What you need to do is determine what cell the end result is displayed in, and format that using the Cell Format function, which is tied to an object:
Say the result is displayed in cell D100 in Sheet 1:
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