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
Japan 1 Switzerland 0 -22.8
-22.8
-4.0
Sweden 3 Nigeria 3 +0.1
+0.1
Cameroon 6 Ecuador 0 +0.1
+0.1
-0.1
United States 3 Australia 1 -0.1
-0.1
New Zealand 0 Netherlands 1 -0.1
-0.1
Week of 6/13100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Switzerland 10 Ecuador 1 +46.4
+46.4
+3.8
South Korea 2 Costa Rica 2 +2.3
+2.3
+0.0
Ivory Coast 2 Thailand 3 -1.8
-1.8
China PR 1 Netherlands 0 -1.8
-1.8
-0.2
Switzerland 1 Cameroon 2 -1.4
-1.4
-4.3
France 0 Colombia 2 -1.1
-1.1
-0.1
Canada 0 New Zealand 0 -0.9
-0.9
-0.1
Netherlands 1 Canada 1 -0.8
-0.8
-0.2
Brazil 1 Spain 0 +0.8
+0.8
+0.0
Thailand 0 Germany 4 +0.6
+0.6
United States 0 Sweden 0 -0.6
-0.6
-0.0
Australia 1 Sweden 1 -0.5
-0.5
+0.1
Australia 2 Nigeria 0 +0.3
+0.3
England 2 Mexico 1 +0.3
+0.3
Nigeria 0 United States 1 +0.2
+0.2
Germany 1 Norway 1 -0.1
-0.1
Japan 2 Cameroon 1 +0.1
+0.1
+0.1
China PR 2 New Zealand 2 +0.1
+0.1
+0.1
Ecuador 0 Japan 1 -0.1
Ivory Coast 1 Norway 3 -0.1
England 2 Colombia 1 -0.6
Costa Rica 0 Brazil 1 +0.1
South Korea 2 Spain 1 -0.0
Points
Chance Will Make Playoffs