Formula Question - subtract first record

[MarkA]

Hi,

I am new to Alteryx. 

I am trying to take a column of data and subtract only the first record from every subsequent record - then create a new column with result.  Is this possible?

Thanks,

Mark

[tcroberts · Accepted solution]

It sounds like you want to use the Append Field Tool to your data to add the results of a Summary Tool.

I've attacked a screenshot and a sample workflow below, let me know if this helps.

Cheers!

[MarkA]

Thanks so much, it worked!