Enter your formula in an adjacent column. It should automatically fill in
the pivot table functions you need.
At least that's what I've seen.
"Cheryl B." wrote in message
...
This seems easy enough - and have figured out a quick & dirtly way - but
need
to get it into a formula.

'Created a pivot table and need to calculated the difference between two
columns ... e.g. Monday has 11 widgets and Wednesday has 16 widgets ...
what's the increase?