How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/1100.0*Chance wins title100.0*Average seed
Mallorca 1 Real Madrid 4 +14.4
+0.1
Villarreal 1 Barcelona 4 -11.0
-0.1
Barcelona 4 Tenerife 1 -7.6
-0.1
Real Madrid 3 Osasuna 2 +5.4
+0.1
Week of 5/8100.0*Chance wins title100.0*Average seed
Sevilla 2 Barcelona 3 -19.2
-0.2
Real Madrid 5 Athletic Bilbao 1 +11.3
+0.1
Week of 5/16100.0*Chance wins title100.0*Average seed
Barcelona 4 Valladolid 0 No
-0.2
Málaga 1 Real Madrid 1 -15.7
-0.2
Points
Chance Will Win Championship