Conditional formatting based on value on left cell

Question

I'm doing a sales sheet presentation and need to show in colours how that client did based entirely on his previous months' purchases, green for better , red for worse .

Example:

How can I do this with conditional formatting?

Answer 1

In the CF crete new rule, choose Use formula... in rule type and use =C2<B2 formula for red cells and =C2>B2 for green cells.