How are these numbers calculated?

Big Games

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

Week of 5/11100.0*Average seed
Atlético Madrid 1 Deportivo 0 -0.2
Barcelona 2 Mallorca 3 -0.2
Almería 0 Recre 2 +0.1
Athletic Bilbao 0 Racing 0 +0.1
Villarreal 2 Espanyol 0 +0.0
Week of 5/17100.0*Average seed
Deportivo 0 Villarreal 2 -0.1
Sevilla 4 Athletic Bilbao 1 +0.1
Points
Chance Will Win Championship