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 -24.6
-24.6
-3.8
Sweden 5 Thailand 1 +2.6
+2.6
+0.1
England 1 Argentina 0 +0.8
+0.8
Canada 2 New Zealand 0 +0.7
+0.7
+0.1
Netherlands 3 Cameroon 1 +0.6
+0.6
+0.1
Jamaica 0 Italy 5 +0.6
+0.6
+0.0
Australia 3 Brazil 2 -0.5
-0.5
-0.1
South Africa 0 China 1 -0.5
-0.5
Nigeria 2 Korea 0 -0.4
-0.4
Japan 2 Scotland 1 -0.4
-0.4
France 2 Norway 1 +0.3
+0.3
Germany 1 Spain 0 +0.3
+0.3
Week of 6/20100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Thailand 0 Chile 2 +48.6
+48.6
+3.4
Scotland 3 Argentina 3 +5.6
+5.6
+0.2
China 0 Spain 0 -5.1
-5.1
-0.2
Nigeria 0 France 1 +4.7
+4.7
+0.2
Italy 0 Brazil 1 -2.5
-2.5
-0.1
South Africa 0 Germany 4 +1.8
+1.8
+0.2
Cameroon 2 New Zealand 1 -1.7
-1.7
Jamaica 1 Australia 4 -1.0
-1.0
+0.1
Korea 1 Norway 2 -0.7
-0.7
+0.1
Points
Chance Will Make Playoffs