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
Barcelona 2 Mallorca 3 -0.3
Real Betis 0 Sevilla 2 -0.1
Athletic Bilbao 0 Racing 0 +0.0
Atlético Madrid 1 Deportivo 0 +0.0
Week of 5/17100.0*Average seed
Racing 1 Osasuna 0 +0.3
Mallorca 3 Real Zaragoza 2 -0.1
Points
Chance Will Win Championship