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
Montenegro 0 Denmark 1 +27.5
+38.2
+5.4
Armenia 1 Poland 6 -5.9
-4.6
-0.5
Georgia 0 Wales 1 -0.2
-0.1
Bosnia-Herzegov 3 Belgium 4 +0.2
+0.1
Cyprus 1 Greece 2 -0.2
-0.1
Scotland 1 Slovakia 0 +0.2
+0.1
Croatia 1 Finland 1 +0.1
N Ireland 1 Germany 3 +0.1
Belarus 1 Netherlands 3 -0.0
Sweden 8 Luxembourg 0 -0.0
Bulgaria 0 France 1 -0.0
Italy 1 Macedonia 1 +0.0
England 1 Slovenia 0 +0.0
Kosovo 0 Ukraine 2 -0.0
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Denmark 1 Romania 1 Out
-6.3
-1.2
Poland 4 Montenegro 2 Out
-6.5
-0.7
Slovenia 2 Scotland 2 +0.1
+0.0
Greece 4 Gibraltar 0 -0.1
Ukraine 0 Croatia 2 -0.1
-0.1
Wales 0 Republic of Ire 1 +0.0
Netherlands 2 Sweden 0 +0.3
Norway 1 N Ireland 0 +0.3
Albania 0 Italy 1 -0.3
France 2 Belarus 1 -0.1
Points
Chance Will Make Playoffs