How are these numbers calculated?

Big Games

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

Week of 9/8100.0*Chance in playoffs100.0*Bye to Semifinals100.0*Average seed
Minnesota 1 Edmonton 1 +2.3
-0.2
-0.1
Minnesota 4 Puerto Rico 0 In
+0.5
Tampa Bay 1 Atlanta 1 +0.6
Ft. Lauderdale 1 Puerto Rico 1 -0.1
+0.0
Carolina 0 San Antonio 1 +0.1
+0.1
Edmonton 2 Carolina 2 No
+0.0
Week of 9/15100.0*Chance in playoffs100.0*Bye to Semifinals100.0*Average seed
Puerto Rico 2 Minnesota 0 -0.7
Atlanta 1 Ft. Lauderdale 0 +0.2
San Antonio 1 Carolina 2 -0.1
Week of 9/22100.0*Chance in playoffs100.0*Bye to Semifinals100.0*Average seed
Edmonton 2 Ft. Lauderdale 2 +0.0
San Antonio 1 Minnesota 1 +0.0
Points
Chance Will Make Playoffs