How are these numbers calculated?

Big Games

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

Week of 6/3100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Germany 3 Ivory 1 +27.5
+23.7
+1.5
Brazil 0 Korea 0 +1.7
+1.9
+0.1
Ghana 1 Spain 1 +3.5
+0.1
England 1 Spain 1 +2.9
+0.1
Portugal 2 Ghana 2 +2.4
+0.1
Portugal 1 England 0 -1.5
-0.0
Week of 6/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Germany 1 Korea 0 +0.2
Points
Chance Will Make Playoffs