How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/8100.0*Chance in playoffs100.0*Average seed
Denmark 2 Portugal 3 +54.9
+1.0
Germany 1 Portugal 0 -26.4
-0.7
Netherlands 1 Germany 2 -1.3
+0.0
Greece 1 Czech Rep 2 +1.1
Netherlands 0 Denmark 1 -0.9
Week of 6/15100.0*Chance in playoffs100.0*Average seed
Denmark 1 Germany 2 +14.8
+0.0
Portugal 2 Netherlands 1 +14.4
+0.2
Greece 1 Russia 0 +3.2
-0.1
Ukraine 0 France 2 +0.6
Czech Rep 1 Poland 0 +0.1
Points
Chance Will Make Playoffs