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
Atlanta II 1 Tampa Bay 1 -5.6
-0.3
Ottawa 0 Bethlehem 0 +2.6
+0.1
North Carolina 3 Richmond 2 -2.4
-0.2
Nashville 1 New York II 1 +0.8
Penn 2 Charlotte 2 +0.2
+0.1
Cincinnati 3 Indy 0 +0.1
Charlotte 2 Pittsburgh 2 +0.0
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Tampa Bay 1 Charlotte 2 Out
-0.9
Richmond 0 Nashville 3 -1.5
-0.1
Indy 1 Bethlehem 1 +0.8
+0.0
North Carolina 1 New York II 2 -0.2
Louisville 2 North Carolina 1 +0.1
Penn 1 New York II 3 +0.1
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Bethlehem 1 Tampa Bay 0 -0.6
Charlotte 1 North Carolina 3 +0.2
Points
Chance Will Make Playoffs