=ABS(B1-B2)
=SI(B1>B2;A1 & B1-B2 & " €";A2 & B2-B1 & " €")
=SI(B1>B2;A1 & B1-B2;A2 & B2-B1) & " €"
=SI(B1>B2;A1 & " " & B1-B2;A2 & " " & B2-B1) & " €"
Formule en C1 -> =(MAX(B$1:B$2)-MIN(B$1;B$2))*(B1=MAX(B$1:B$2))
Format pour C1 et C2 -> # ##0,00 €;-# ##0,00 €;"";@