Option Explicit
Public Sub test()
With Range("C20:C24")
.Replace What:=".", Replacement:=",", LookAt:=xlPart, _
SearchOrder:=xlByRows, MatchCase:=False
.TextToColumns Destination:=Range("C20"), DataType:=xlDelimited, _
TextQualifier:=xlDoubleQuote, ConsecutiveDelimiter:=False, Tab:=True, _
Semicolon:=False, Comma:=False, Space:=False, Other:=False, FieldInfo _
:=Array(1, 1), TrailingMinusNumbers:=True
End With
End Sub