Please take a look at the attached file.
What I want to do, is using the 3 Arrows conditional formatting to put an error on each cell indicating if the value is grater than the previous column (on the same row), should display a Green arrow, is eqqual, should display a Yellow one or is less, should display an Red arrow.
B1 is greater than A1 - should have a Green arrow
B2 is greater than A2 - should have a Green arrow
B3 is greater than A3 - should have a Green arrow
C1 is greater than B1 - should have a Green arrow
C2 is eqqual to B2 - should have a Yellow arrow
C3 is less than B3 - should have a Red arrow
Hope this is clear.