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 -14.8
-0.6
North Carolina 3 Richmond 2 -3.8
-0.1
Nashville 1 New York II 1 +1.9
+0.1
Atlanta II 1 Tampa Bay 1 +1.7
+0.1
Charlotte 2 Pittsburgh 2 +0.4
+0.0
Cincinnati 3 Indy 0 +0.3
+0.0
Penn 2 Charlotte 2 +0.2
Week of 10/5100.0*Chance in playoffs100.0*Average seed
Penn 1 New York II 3 -8.7
-0.2
Richmond 0 Nashville 3 -5.4
-0.2
Nashville 2 Toronto II 2 +3.9
+0.1
Louisville 2 North Carolina 1 +1.6
+0.1
North Carolina 1 New York II 2 -1.2
-0.0
Tampa Bay 1 Charlotte 2 +0.6
+0.1
Indy 1 Bethlehem 1 -0.2
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Ottawa 0 Charleston 2 Out
-0.5
Nashville 3 Cincinnati 3 -10.3
-0.2
Charlotte 1 North Carolina 3 -0.4
Points
Chance Will Make Playoffs