Vous voulez dire: 
  Dim TotalVrt As Double
    
    
    TotalVrt = WorksheetFunction.SumIf(Range("A2:A150000"), 6, Range("H2:H150000")) - WorksheetFunction.SumIf(Range("A2:A150000"), 7, Range("H2:H150000"))
    TotalVrt = Format(TotalVrt, "#,##0.00")
   
    MsgBox ("Le montant de votre...