How are these numbers calculated?

Big Games

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

Week of 4/29100.0*Average seed
Zwolle 0 Willem II 1 -0.6
NAC 3 Heerenveen 0 +0.2
Vitesse 5 Twente 0 -0.2
ADO 3 PSV 3 +0.1
Week of 5/6100.0*Average seed
AZ 6 Zwolle 0 -0.6
Roda 2 ADO 3 -0.3
Heerenveen 2 Feyenoord 3 +0.3
Points
Chance Will Win Championship