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
NEC 2 AZ 1 -0.4
Utrecht 1 Vitesse 0 +0.2
Sparta 1 Twente 0 +0.0
Week of 5/14100.0*Average seed
AZ 2 Utrecht 3 -0.4
Vitesse 3 Roda 0 -0.1
Points
Chance Will Win Championship