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
Canada 1 China PR 0 -23.5
-23.5
-4.2
Sweden 3 Nigeria 3 +0.3
+0.3
United States 3 Australia 1 -0.1
-0.1
Japan 1 Switzerland 0 -0.1
-0.1
New Zealand 0 Netherlands 1 +0.1
+0.1
-0.0
Cameroon 6 Ecuador 0 -0.1
-0.1
Germany 10 Ivory Coast 0 -0.1
-0.1
Norway 4 Thailand 0 -0.1
-0.1
Week of 6/13100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
China PR 1 Netherlands 0 +43.9
+43.9
+6.2
China PR 2 New Zealand 2 +27.4
+27.4
+1.0
Netherlands 1 Canada 1 -10.1
-10.1
+0.2
South Korea 2 Costa Rica 2 +2.2
+2.2
+0.0
Switzerland 10 Ecuador 1 -1.8
-1.8
Ivory Coast 2 Thailand 3 -1.6
-1.6
Thailand 0 Germany 4 +1.2
+1.2
-0.0
France 0 Colombia 2 -1.0
-1.0
-0.1
Brazil 1 Spain 0 +0.7
+0.7
+0.0
Canada 0 New Zealand 0 -0.7
-0.7
-0.1
United States 0 Sweden 0 -0.5
-0.5
-0.0
England 2 Mexico 1 +0.3
+0.3
-0.1
Australia 2 Nigeria 0 +0.2
+0.2
-0.1
Germany 1 Norway 1 -0.2
-0.2
Ivory Coast 1 Norway 3 -0.1
Mexico 0 France 5 -0.2
England 2 Colombia 1 -0.1
Costa Rica 0 Brazil 1 +0.0
South Korea 2 Spain 1 +0.0
Points
Chance Will Make Playoffs