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 -10.1
-0.4
North Carolina 3 Richmond 2 -6.0
-0.2
Nashville 1 New York II 1 +2.5
+0.1
Atlanta II 1 Tampa Bay 1 +1.7
+0.1
Charlotte 2 Pittsburgh 2 +0.7
+0.0
Cincinnati 3 Indy 0 +0.4
Penn 2 Charlotte 2 +0.4
+0.0
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Richmond 0 Nashville 3 -7.7
-0.2
Penn 1 New York II 3 -5.7
-0.2
Louisville 2 North Carolina 1 +3.1
+0.2
North Carolina 1 New York II 2 -1.4
-0.1
Tampa Bay 1 Charlotte 2 +1.0
+0.1
Indy 1 Bethlehem 1 +0.9
+0.0
Nashville 2 Toronto II 2 +0.5
+0.0
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Ottawa 0 Charleston 2 Out
-0.5
Nashville 3 Cincinnati 3 -5.4
-0.1
Charlotte 1 North Carolina 3 -0.4
Points
Chance Will Make Playoffs