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
N Ireland 1 Germany 3 Out
-3.3
-1.6
Andorra 0 Portugal 2 -0.1
Armenia 1 Poland 6 -0.1
Sweden 8 Luxembourg 0 -0.1
Bulgaria 0 France 1 -0.1
Georgia 0 Wales 1 -0.1
Montenegro 0 Denmark 1 -0.1
Italy 1 Macedonia 1 +0.0
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Norway 1 N Ireland 0 -0.8
-2.1
Greece 4 Gibraltar 0 -0.8
-0.2
Slovenia 2 Scotland 2 +0.5
+0.2
Serbia 1 Georgia 0 -0.3
-0.1
Iceland 2 Kosovo 0 -0.2
-0.2
Ukraine 0 Croatia 2 -0.2
-0.1
Wales 0 Republic of Ire 1 -0.1
Albania 0 Italy 1 -0.3
Netherlands 2 Sweden 0 +0.1
France 2 Belarus 1 -0.1
Points
Chance Will Make Playoffs