Thanks for the response @adithyacs86 Sorry. I may not have explained myself very well though!  The list is reused over and over each time the workflow is triggered. The problem is when the data is loaded into a temp table within the workflow, it's not getting dropped once the workflow has completed ...

Absolute legend - thanks if I wasn't direct enough I was struggling to explain what I wanted - it was the second part of your solution - subtracting £10 from the string value - which you have expertly resolved! Thank you! The code is really useful too, as now I can work out what it's doing so I can...