The VBA Abs function returns the absolute value of a number.
Abs(number)
Applying the Abs function to the result of a subtraction to get a positive result:
Sub AbsExample() number1=124.54 number2=189.36 difference = Abs(number1 - number2) 'Abs(-64.82) MsgBox difference 'Returns: 64.82 difference = Abs(number2 - number1) 'Abs(64.82) MsgBox difference 'Also returns: 64.82 end sub