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
Japan 1 Switzerland 0 *-0.1
*-0.1
Week of 6/13100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Costa Rica 0 Brazil 1 -31.4
-31.4
-1.6
South Korea 2 Costa Rica 2 -20.4
-20.4
-2.1
South Korea 2 Spain 1 -4.3
-4.3
-0.3
Netherlands 1 Canada 1 -2.3
-2.3
-0.1
Australia 1 Sweden 1 -2.3
-2.3
-0.1
Thailand 0 Germany 4 +1.1
+1.1
+0.1
Brazil 1 Spain 0 +1.0
+1.0
+0.2
England 2 Colombia 1 -1.0
-1.0
-0.1
Ivory Coast 2 Thailand 3 -1.0
-1.0
-0.0
Switzerland 10 Ecuador 1 -0.8
-0.8
-0.0
China PR 1 Netherlands 0 -0.8
-0.8
Nigeria 0 United States 1 +0.7
+0.7
+0.1
Canada 0 New Zealand 0 -0.6
-0.6
France 0 Colombia 2 -0.5
-0.5
-0.1
United States 0 Sweden 0 -0.3
-0.3
England 2 Mexico 1 *+0.1
*+0.1

* 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