Divide by Zero Error [this.Adapter.Fill(dataTable);]

I am getting a "Divide by Zero Error Encountered" when I run my ASP.NET application. The error looks like is encountered when filling DataSet.
I have a GridView on frontpage that is configured to get data from a Dataset which uses Stored Procedure to get data. The SP runs perfectly when I run in SQL Server but I don't know why is it throwing an error when I run from ASP.NET.

Any help is really appreciated.

I am attaching some images below to give more information:

Image of Default.aspx page and DataSet

Image of Error

Image of Stored Procedure Code

Image of Output when Stored Procedure is executed in SQL Server

.NET Development16

The error appears due to division operations you are performed in stored procedure.

Try to replace sum (x) / sum (y) with IIF (sum(y) = 0, valueInCaseOfSumIsZero, sum(x)/sum(y)).