calculate previous year column in Rolling 12 months query

Hi experts,

I have a rolling 12 months query with the following things

In Rows
structure with calmonth year restriction values so that first row is current cal month, 2nd is (current calmonth - 1offset) so on.

In columns
Gross profit(Curr Year) gr0ss profit(Prev Year) Net profit(Curr Year) Net profit(Prev Year)

Rows                                        Columns
                  Gross profit(CY)       gr0ss profit(PY)       Net profit(CY)       Net profit(PY)
1curmnth        1000                                                        2000
2curmnth-1     2000                                                        4000
3curmnth-2     3000                                                        8000
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How to calculate the previous columns in this query without using cell definitions

Thanks & regards,

Mohammed Naveed.