How are these numbers calculated?

Big Games

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

Week of 6/14100.0*Chance in next round100.0*Average seed
Brazil 1 Switzerland 1 -0.9
-0.0
Costa Rica 0 Serbia 1 -0.2
Week of 6/21100.0*Chance in next round100.0*Average seed
Brazil 2 Costa Rica 0 +31.7
+0.8
Serbia 0 Brazil 2 In
+0.5
Serbia 1 Switzerland 2 -3.1
-0.1
Switzerland 2 Costa Rica 2 -1.5
+0.0
Week of 6/28100.0*Chance in next round100.0*Average seed
Brazil 2 Mexico 0 +0.2
Points
Chance Will Make Next Round