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
North Carolina 3 Richmond 2 -4.0
-0.2
Ottawa 0 Bethlehem 0 +1.8
+0.1
Nashville 1 New York II 1 -1.4
-0.2
Atlanta II 1 Tampa Bay 1 +0.8
+0.0
Charlotte 2 Pittsburgh 2 +0.4
+0.0
Penn 2 Charlotte 2 +0.4
Cincinnati 3 Indy 0 +0.2
+0.1
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Richmond 0 Nashville 3 +24.0
+1.1
Penn 1 New York II 3 -5.1
-0.2
Louisville 2 North Carolina 1 +4.6
+0.1
Nashville 2 Toronto II 2 +2.6
-0.3
North Carolina 1 New York II 2 -2.0
-0.0
Tampa Bay 1 Charlotte 2 +1.2
+0.1
Indy 1 Bethlehem 1 -0.7
+0.1
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Ottawa 0 Charleston 2 In
+0.1
Nashville 3 Cincinnati 3 In
-0.1
Bethlehem 1 Tampa Bay 0 -0.6
New York II 2 Pittsburgh 1 -0.4
Louisville 1 Indy 0 +0.1
Points
Chance Will Make Playoffs