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
Belarus 1 Netherlands 3 +8.0
+14.5
+4.4
Bulgaria 0 France 1 Out
-3.1
+0.6
Sweden 8 Luxembourg 0 -1.7
-4.8
-0.7
Georgia 0 Wales 1 -0.7
-0.1
Bosnia-Herzegov 3 Belgium 4 +0.5
+0.1
Republic of Ire 2 Moldova 0 -0.5
-0.1
Cyprus 1 Greece 2 -0.4
-0.1
Kosovo 0 Ukraine 2 -0.2
-0.1
Spain 3 Albania 0 +0.1
England 1 Slovenia 0 +0.1
Switzerland 5 Hungary 2 +0.1
Romania 3 Kazakhstan 1 -0.1
Week of 10/10100.0*Chance in playoffs100.0*Direct qualify100.0*Average seed
Netherlands 2 Sweden 0 +11.7
+2.9
Poland 4 Montenegro 2 +0.3
Estonia 1 Bosnia-Herzegov 2 -0.3
Slovakia 3 Malta 0 -0.2
Greece 4 Gibraltar 0 -0.1
Slovenia 2 Scotland 2 +0.1
Norway 1 N Ireland 0 +0.1
Albania 0 Italy 1 +0.1
Wales 0 Republic of Ire 1 -0.1
Denmark 1 Romania 1 -0.1
Ukraine 0 Croatia 2 +0.0
Iceland 2 Kosovo 0 -0.0
Points
Chance Will Make Playoffs