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*Qualify chance incl. playoff100.0*Average seed
Sweden 8 Luxembourg 0 -0.1
Bulgaria 0 France 1 -0.1
Bosnia 3 Belgium 4 +0.1
Andorra 0 Portugal 2 -0.1
Cyprus 1 Greece 2 -0.1
Week of 10/8100.0*Qualify chance incl. playoff100.0*Average seed
Norway 1 Northern Ireland 0 -0.6
-2.1
Slovenia 2 Scotland 2 +0.3
+0.2
Greece 4 Gibraltar 0 -0.4
Serbia 1 Georgia 0 -0.3
Iceland 2 Kosovo 0 -0.2
Ukraine 0 Croatia 2 -0.2
Points
Chance Will Make Playoffs