Color cell RED if cell above value is lower

Question

I need a formula/script for a Google spreadsheet that will do this:

If the current cell value is higher than the value in the cell above the make the current cell backgr

Answer 1

Conditional formatting wont work.

Probably not at the time that was written but it does now.

Assuming your array starts in B34 for its top left, clear formatting and select B35:AC41 and Format, Conditional formatting..., Format cells if... Custom formula is and:

=A35>A34

select red fill and Done.