How are these numbers calculated?

Big Games

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

Week of 6/6100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Sweden 3 Nigeria 3 +0.1
+0.1
Week of 6/13100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Brazil 1 Spain 0 In
Yes
+2.2
Ivory Coast 2 Thailand 3 -0.2
-0.2
Switzerland 10 Ecuador 1 -0.2
-0.2
China PR 1 Netherlands 0 -0.2
-0.2
+0.1
South Korea 2 Costa Rica 2 +0.2
+0.2
+0.3
France 0 Colombia 2 -0.1
-0.1
+0.1
United States 0 Sweden 0 -0.1
-0.1
+0.1
Canada 0 New Zealand 0 -0.1
-0.1
+0.1
England 2 Mexico 1 +0.0
Australia 2 Nigeria 0 +0.0
Costa Rica 0 Brazil 1 +1.0
Ecuador 0 Japan 1 -0.1
Germany 1 Norway 1 +0.1
Netherlands 1 Canada 1 +0.1
England 2 Colombia 1 +0.1
Nigeria 0 United States 1 -0.1
Thailand 0 Germany 4 -0.0
Ivory Coast 1 Norway 3 -0.0
Points
Chance Will Make Playoffs