How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Average seed
Bosnia-Herzegov 3 Belgium 4 +1.0
N Ireland 1 Germany 3 -0.2
Spain 3 Albania 0 -0.1
England 1 Slovenia 0 -0.1
Switzerland 5 Hungary 2 -0.1
Week of 10/10100.0*Average seed
Belgium 4 Cyprus 0 +0.5
Israel 0 Spain 1 -0.2
Portugal 2 Switzerland 0 +0.1
Germany 5 Azerbaijan 1 -0.1
Points
Chance Will Make Playoffs