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*Qualify chance incl. playoff100.0*Average seed
Bosnia 3 Belgium 4 -0.2
Bulgaria 0 France 1 -0.1
Andorra 0 Portugal 2 -0.1
Switzerland 5 Hungary 2 -0.1
Week of 10/8100.0*Chance in playoffs100.0*Qualify chance incl. playoff100.0*Average seed
Denmark 1 Romania 1 In
Yes
+0.6
Poland 4 Montenegro 2 In
Yes
+1.4
Lithuania 0 England 1 -0.3
Norway 1 Northern Ireland 0 +0.0
Points
Chance Will Make Playoffs