IsPercent Property
Returns a Boolean value. Returns True only if the number data for the ListColumn object will be shown in percentage formatting. Read-only Boolean.
This property is used only for lists that are linked to a Microsoft Windows SharePoint Services site.
expression.IsPercent
expression Required. An expression that returns a ListDataFormat object.
Remarks
In Excel, you cannot set any of the properties associated with the ListDataFormat object. You can set these properties, however, by modifying the list on the SharePoint site.
Example
The following example returns the setting of the IsPercent property for the third column of the list in Sheet1 of the active workbook.
Function GetIsPercent() As Boolean
Dim wrksht As Worksheet
Dim objListCol As ListColumn
Set wrksht = ActiveWorkbook.Worksheets("Sheet1")
Set objListCol = wrksht.ListObjects(1).ListColumns(3)
GetIsPercent = objListCol.ListDataFormat.IsPercent
End Function