How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Chance wins title100.0*Average seed
Barcelona 4 Villarreal 1 -14.0
-0.1
Granada 0 Real Madrid 4 +7.9
+0.1
Week of 5/14100.0*Chance wins title100.0*Average seed
Real Madrid 4 Sevilla 1 +17.5
+0.2
Las Palmas 1 Barcelona 4 -10.3
-0.1
Week of 5/17100.0*Chance wins title100.0*Average seed
Celta de Vigo 1 Real Madrid 4 +13.8
+0.1
Málaga 0 Real Madrid 2 Yes
+0.1
Barcelona 4 Eibar 2 -7.2
-0.1
Points
Chance Will Win Championship