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
Sparta 1 Twente 0 -0.4
Zwolle 2 Heerenveen 1 +0.2
NEC 2 AZ 1 +0.1
Utrecht 1 Vitesse 0 +0.1
Groningen 1 PSV 1 +0.0
Week of 5/14100.0*Average seed
Twente 3 Groningen 5 -0.4
Heerenveen 0 NEC 2 +0.3
Vitesse 3 Roda 0 -0.0
Feyenoord 3 Heracles 1 +0.0
Points
Chance Will Win Championship