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
VVV 1 Roda 4 +0.1
Heracles 2 Utrecht 2 -0.1
Groningen 4 Excelsior 0 +0.0
Week of 5/6100.0*Average seed
Sparta 2 Heracles 5 +0.7
Excelsior 1 Ajax 2 +0.2
Willem II 2 Vitesse 2 +0.1
PSV 0 Groningen 0 +0.0
Points
Chance Will Win Championship