How are these numbers calculated?

Big Games

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

Week of 6/16100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
United States 3 Chile 0 -8.4
-8.4
-1.2
Australia 3 Brazil 2 -2.0
-2.0
-0.1
Nigeria 2 Korea 0 -1.5
-1.5
-0.0
South Africa 0 China 1 -1.4
-1.4
Sweden 5 Thailand 1 +0.7
+0.7
+0.1
England 1 Argentina 0 +0.6
+0.6
Canada 2 New Zealand 0 +0.5
+0.5
+0.1
Netherlands 3 Cameroon 1 +0.5
+0.5
+0.1
Jamaica 0 Italy 5 +0.4
+0.4
+0.1
Japan 2 Scotland 1 -0.4
-0.4
+0.0
France 2 Norway 1 +0.1
+0.1
Germany 1 Spain 0 *+0.1
*+0.1
Week of 6/20100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Thailand 0 Chile 2 +40.5
+40.5
+3.1
Scotland 3 Argentina 3 +7.1
+7.1
+0.2
China 0 Spain 0 -3.9
-3.9
-0.2
Italy 0 Brazil 1 -2.3
-2.3
-0.1
Cameroon 2 New Zealand 1 -2.3
-2.3
-0.0
Nigeria 0 France 1 +1.9
+1.9
+0.1
South Africa 0 Germany 4 +0.1
+0.1
+0.0
Jamaica 1 Australia 4 -0.1
-0.1
+0.1
Korea 1 Norway 2 +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