How are these numbers calculated?

Big Games

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

Week of 6/20100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Uruguay 2 Japan 2 -4.1
-4.1
-0.6
Ecuador 1 Chile 2 +3.8
+3.8
+0.1
Colombia 1 Qatar 0 +1.7
+1.7
+0.0
Argentina 1 Paraguay 1 +1.5
+1.5
Bolivia 1 Peru 3 -0.9
-0.9
Brazil 0 Venezuela 0 -0.3
-0.3
+0.0
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Ecuador 1 Japan 1 -28.9
-28.9
+0.3
Colombia 1 Paraguay 0 +5.8
+5.8
+0.1
Bolivia 1 Venezuela 3 -3.7
-3.7
+0.1
Peru 0 Brazil 5 +0.5
+0.5
+0.0
Chile 0 Uruguay 1 -0.1
-0.1
-0.1
Qatar 0 Argentina 2 +0.1
+0.1
Points
Chance Will Make Playoffs