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*Segunda Division100.0*Average seed
Sporting Gijón 1 Las Palmas 0 -7.0
+0.1
Leganés 4 Real Betis 0 +3.4
La Coruña 1 Espanyol 2 -0.1
Valencia 4 Osasuna 1 +0.0
Granada 0 Real Madrid 4 +0.0
Week of 5/14100.0*Segunda Division100.0*Average seed
Eibar 0 Sporting Gijón 1 -11.8
+0.1
Athletic Club 1 Leganés 1 +1.4
Villarreal 0 La Coruña 0 +1.4
Week of 5/17None
Points
Chance Will Win Championship