How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Average seed
Roda JC 4 VVV Venlo 1 -0.2
De Graafschap 1 FC Utrecht 1 -0.1
NEC Nijmegen 1 Vitesse Arnhem 0 -0.0
Week of 4/20100.0*Average seed
FC Utrecht 1 FC Groningen 0 +0.5
NAC Breda 1 NEC Nijmegen 3 -0.3
Vitesse Arnhem 0 PSV Eindhoven 1 +0.2
Points
Chance Will Win Championship