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*Chance in playoffs100.0*Direct qualify100.0*Average seed
Andorra 0 Portugal 2 -10.5
-5.2
-0.8
Switzerland 5 Hungary 2 +6.5
+3.3
+0.8
N Ireland 1 Germany 3 -0.2
Bosnia-Herzegov 3 Belgium 4 -0.1
Spain 3 Albania 0 -0.1
Italy 1 Macedonia 1 +0.1
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Portugal 2 Switzerland 0 Out
-22.0
-3.2
Israel 0 Spain 1 -0.1
Belgium 4 Cyprus 0 -0.1
Germany 5 Azerbaijan 1 -0.1
Points
Chance Will Make Playoffs