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 -1.4
-1.4
-0.5
United States 3 Australia 1 +0.2
+0.2
-0.0
Japan 1 Switzerland 0 *-0.1
*-0.1
Week of 6/13100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Australia 1 Sweden 1 +24.2
+24.2
-2.0
England 2 Colombia 1 -13.4
-13.4
-0.6
Costa Rica 0 Brazil 1 In
Yes
+0.2
South Korea 2 Spain 1 -3.5
-3.5
-0.1
Nigeria 0 United States 1 +2.9
+2.9
Netherlands 1 Canada 1 -2.4
-2.4
-0.0
Australia 2 Nigeria 0 -1.6
-1.6
+0.3
Thailand 0 Germany 4 +1.2
+1.2
+0.1
United States 0 Sweden 0 +1.1
+1.1
-0.2
South Korea 2 Costa Rica 2 +0.9
+0.9
+0.1
Ivory Coast 2 Thailand 3 -0.9
-0.9
-0.0
Switzerland 10 Ecuador 1 -0.8
-0.8
-0.0
China PR 1 Netherlands 0 -0.7
-0.7
France 0 Colombia 2 -0.5
-0.5
-0.1
Canada 0 New Zealand 0 -0.5
-0.5
Brazil 1 Spain 0 +0.3
+0.3
+0.0
England 2 Mexico 1 +0.2
+0.2
Switzerland 1 Cameroon 2 -0.1
China PR 2 New Zealand 2 +0.1
Ivory Coast 1 Norway 3 -0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs