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 +0.6
La Coruña 1 Espanyol 2 +0.2
-0.2
Leganés 4 Real Betis 0 +0.1
-0.2
Week of 5/14100.0*Segunda Division100.0*Average seed
Eibar 0 Sporting Gijón 1 +8.3
-0.1
Villarreal 0 La Coruña 0 -1.5
-0.0
Athletic Club 1 Leganés 1 -0.5
Week of 5/17100.0*Segunda Division100.0*Average seed
La Coruña 3 Las Palmas 0 +0.5
Leganés 1 Alavés 1 +0.1
Points
Chance Will Win Championship