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
-1.3
-1.1
Italy 1 Macedonia 1 +0.2
Montenegro 0 Denmark 1 -0.1
Switzerland 5 Hungary 2 -0.1
Andorra 0 Portugal 2 -0.0
Scotland 1 Slovakia 0 +0.0
Armenia 1 Poland 6 -0.0
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Norway 1 N Ireland 0 -1.2
-2.5
Slovenia 2 Scotland 2 +0.4
+0.1
Greece 4 Gibraltar 0 -0.1
-0.0
Ukraine 0 Croatia 2 -0.1
-0.1
Serbia 1 Georgia 0 -0.1
-0.0
Wales 0 Republic of Ire 1 +0.1
Netherlands 2 Sweden 0 +0.3
Albania 0 Italy 1 -0.3
Denmark 1 Romania 1 +0.2
France 2 Belarus 1 -0.1
Poland 4 Montenegro 2 -0.0
Points
Chance Will Make Playoffs