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*Average seed
Leganés 4 Real Betis 0 -0.4
Valencia 4 Osasuna 1 -0.1
Sporting Gijón 1 Las Palmas 0 +0.1
Málaga 3 Celta de Vigo 0 -0.1
La Coruña 1 Espanyol 2 +0.1
Week of 5/14100.0*Average seed
Las Palmas 1 Barcelona 4 +0.2
Real Betis 1 Atlético Madrid 1 -0.1
Villarreal 0 La Coruña 0 +0.0
Athletic Club 1 Leganés 1 +0.0
Week of 5/17100.0*Average seed
Sporting Gijón 2 Real Betis 2 -0.2
La Coruña 3 Las Palmas 0 +0.1
Points
Chance Will Win Championship