Convert Text into a Symbol

Hi All,

I am having great difficulty with what I think is a fairly straightforward formula (One of those days I think!). I have a basic Smartsheet containing two numbers. If one number is higher than the other or vice versa I want to bring in a Symbol pointing either up/down.

I know the text to show a symbol is up, down, sideways but I just can't seem to get the formula to work. I've trailed the forums but i'm still not getting it unfortunately. Any help is hugely appreciated. I have attached a screenshot with my work so far. If I can avoid having RAG Columns and just keep a simple formula that tracks with a single symbol in the far right column then that would be great.

For reference, we're simply trying to identify if transactions completed in a certain way are either up or down year on year.

Thank you!

Matt