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How to format a textbox as a percentage in Excel?

Author Siluvia Last modified

In a previous article, we covered how to format numbers in a textbox as currency in Excel. This time, we’ll explore formatting numbers in a textbox as percentages. Using VBA, you can ensure that any number entered into the textbox is automatically formatted as a percentage for consistent data presentation.

Format textbox entries as percentages with VBA code


Format textbox entries as percentages with VBA code

Follow these steps to format a textbox as a percentage using VBA code.

1. Click "Developer" > "Insert" > "Text Box (ActiveX Control)" to insert a textbox into worksheet. See screenshot:

A screenshot showing how to insert a Text Box (ActiveX Control) in Excel

2. Right-click the textbox, then click "View Code" from the context menu.

A screenshot of the context menu with View Code selected for a textbox in Excel

3. In the opening "Microsoft Visual Basic for Applications" window, please replace the original code in the Code window with below VBA code.

VBA code: format a textbox as percentage in Excel

Private Sub TextBox1_LostFocus()
    Dim xReg As New RegExp
    Dim xMatches As MatchCollection
    Dim xMatch As Match
    Dim xText As String
    Dim xReplace As String
    On Error Resume Next
    Application.ScreenUpdating = False
    xText = Me.TextBox1.Text
    xText = Replace(xText, "%", "")
    With xReg
        .Global = True
        .Pattern = "([^0-9]+\d+)|(\d{1,})"
        Set xMatches = .Execute(xText)
        For Each xMatch In xMatches
            xReplace = xReplace & xMatch.Value & "%"
        Next
    End With
    xText = xReplace & Mid(xText, Len(xReplace) - xMatches.Count + 1)
    Me.TextBox1.Text = xText
    Application.ScreenUpdating = True
End Sub

Note: Replace "TextBox1" with the name of the textbox you are using.

4. Click "Tools" > "References". Then check the "Microsoft VBScript Regular Expressions" box in the "References – VBAProject" dialog box, and click the "OK" button. See screenshot:

A screenshot of the References dialog box in VBA with Microsoft VBScript Regular Expressions selected

5. Press the "Alt" + "Q" keys to exit the "Microsoft Visual Basic for Applications" window.

6. When it returns to the worksheet, please click "Developer" > "Design Mode" again to turn off the Design Mode.

A screenshot showing the Design Mode option in the Developer tab in Excel

From now on, when you enter numbers into the textbox and move the cursor out of it to click any cell, the numbers will be automatically formatted as percentages.


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