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
Netherlands 3 Cameroon 1 -25.3
-25.3
-4.0
Canada 2 New Zealand 0 +2.4
+2.4
+0.1
Sweden 5 Thailand 1 +0.8
+0.8
+0.1
United States 3 Chile 0 +0.7
+0.7
+0.1
England 1 Argentina 0 +0.7
+0.7
Jamaica 0 Italy 5 +0.7
+0.7
+0.1
Australia 3 Brazil 2 -0.5
-0.5
-0.1
South Africa 0 China 1 -0.5
-0.5
Japan 2 Scotland 1 -0.5
-0.5
France 2 Norway 1 +0.4
+0.4
Germany 1 Spain 0 +0.4
+0.4
Nigeria 2 Korea 0 -0.4
-0.4
Week of 6/20100.0*Chance in playoffs100.0*Round of 16100.0*Average seed
Cameroon 2 New Zealand 1 +54.9
+54.9
+3.5
China 0 Spain 0 -3.9
-3.9
-0.2
Scotland 3 Argentina 3 +3.6
+3.6
+0.2
Nigeria 0 France 1 +3.3
+3.3
+0.2
Thailand 0 Chile 2 -2.4
-2.4
-0.0
Italy 0 Brazil 1 -1.8
-1.8
-0.1
South Africa 0 Germany 4 +1.3
+1.3
+0.2
Jamaica 1 Australia 4 -0.8
-0.8
+0.1
Korea 1 Norway 2 -0.6
-0.6
+0.1
Points
Chance Will Make Playoffs