Matching data in two sheets

[CP]

Hi thanks for reading

I have a project where I need to compare month to month data from two sheets
and then make further calulations

Sheet1 = current month
ColA = Client
Colb = Value

Sheet2 = previous month
ColA = Client
Colb = Value

I require sheet1 ColC to show difference in value from previous month
(sheet2) to current month (sheet1) using the value in ColB but also matching
the customer.
If no customer match show a text value "text"

Many many thanks if you can help me

 

[Max]

One way ..

In Sheet1,
In C2:
=IF(ISNA(MATCH(A2,Sheet2!A:A,0)),"Not
found",B2-INDEX(Sheet2!B:B,MATCH(A2,Sheet2!A:A,0)))
Copy down. Adapt to suit.

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[CP]

Many thanks for quick response
thinking a little more logically - if sheet1 contains all my clients in ColA
then B, C, D is the past three months
Assuming sheet2 data goes to col B, sheet3 to C and so on - I could make a
more useful and logical table
Possible? if so how?

I am thinking long term this is more useful

 

[Max]

Your new query should actually be posted afresh.
It's a different ball game ...

In Sheet1,
List the "other" sheetnames in B1 across, eg: Sheet2, Sheet3, etc
Then place in B2
=IF(ISNA(MATCH($A2,INDIRECT("'"&B$1&"'!A:A"),0)),0,INDEX(INDIRECT("'"&B$1&"'!B:B"),MATCH($A2,INDIRECT("'"&B$1&"'!A:A"),0)))
Copy B2 across/fill down as far as required to populate col B's figures for
the clients listed in A2 down from each of the other sheets (all assumed
identically structured). I've made the "IF not found" return as zeros to
minimize downstream calculation distress, since you probably would be
calculating further from the summarizations that's compiled here. Adapt to
suit.

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Max
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xdemechanik