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 -26.1
-18.3
-1.4
Brazil 0 Korea 0 +1.7
+1.9
+0.1
Portugal 2 Ghana 2 +10.1
+0.1
England 1 Spain 1 +3.0
+0.1
Ghana 1 Spain 1 +0.7
Portugal 1 England 0 -0.3
Week of 6/10100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Ivory 4 Brazil 0 In
+22.5
+0.9
Germany 1 Korea 0 +0.9
+0.0
Spain 2 Portugal 1 Yes
+0.5
Points
Chance Will Make Playoffs