Hi:   This sounds like it would be a report done better with PROC REPORT than with PROC TABULATE. PROC REPORT allows you to calculate a new column on the report based on existing columns.  PROC TABULATE will not create new columns and you would have to use a DATA step program to do what you want, if the percentage can even be calculated as you envision.     There are quite a few examples of using PROC REPORT posted already in the forum.   cynthia ... View more