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
Ottawa 0 Bethlehem 0 +2.4
+0.1
North Carolina 3 Richmond 2 -2.3
-0.1
Nashville 1 New York II 1 -2.2
-0.1
Atlanta II 1 Tampa Bay 1 +0.7
+0.1
Charlotte 2 Pittsburgh 2 +0.3
+0.0
Penn 2 Charlotte 2 +0.3
+0.1
Cincinnati 3 Indy 0 +0.1
+0.0
Week of 10/5100.0*Chance in playoffs100.0*Average seed
North Carolina 1 New York II 2 +38.1
+1.5
Penn 1 New York II 3 +27.1
+1.1
Louisville 2 North Carolina 1 +4.0
+0.1
Richmond 0 Nashville 3 -3.1
-0.1
Tampa Bay 1 Charlotte 2 +1.1
+0.1
Indy 1 Bethlehem 1 -1.1
Nashville 2 Toronto II 2 +0.3
+0.2
Week of 10/13100.0*Chance in playoffs100.0*Average seed
New York II 2 Pittsburgh 1 +1.0
Bethlehem 1 Tampa Bay 0 -0.3
Louisville 1 Indy 0 +0.2
Nashville 3 Cincinnati 3 -0.1
Points
Chance Will Make Playoffs