How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Minnesota 2 Atlanta 0 +13.9
+0.2
Montreal 1 Carolina 0 -10.2
-0.1
Edmonton 1 Ft. Lauderdale 2 -0.1
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Montreal 2 Edmonton 0 -19.1
-0.1
Tampa Bay 1 Minnesota 1 +3.7
-0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Carolina 1 Minnesota 2 In
+0.3
Atlanta 0 Montreal 4 -29.9
-0.3
Points
Chance Will Make Playoffs