How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Chance in playoffs100.0*Average seed
Charlotte 2 Pittsburgh 2 -1.3
-0.1
Penn 2 Charlotte 2 Out
+0.0
North Carolina 3 Richmond 2 -0.4
-0.1
Ottawa 0 Bethlehem 0 +0.3
Nashville 1 New York II 1 +0.2
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Tampa Bay 1 Charlotte 2 +0.9
Louisville 2 North Carolina 1 +0.2
Penn 1 New York II 3 +0.1
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Charlotte 1 North Carolina 3 -0.8
Bethlehem 1 Tampa Bay 0 +0.5
Points
Chance Will Make Playoffs