Convert SQL databound datatable cell to string with 2 decimal places, VB.net

I am currently working in Microsoft Visual Studio Express 2013 with a SQL Server back end. I am using a SQL query to pull a datatable and then selecting the first cell to pull a number from. I need to take this number from the datatable and then change a label to show this number as either a 2 decimal number or a percentage would be even better. Here is my code:I am currently working in Microsoft Visual Stud