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 +12.6
+0.6
Ottawa 0 Bethlehem 0 +2.7
+0.1
Nashville 1 New York II 1 +1.9
+0.1
Atlanta II 1 Tampa Bay 1 +1.0
+0.1
Cincinnati 3 Indy 0 +0.4
+0.0
Charlotte 2 Pittsburgh 2 +0.2
+0.0
Week of 10/5100.0*Chance in playoffs100.0*Average seed
North Carolina 1 New York II 2 -35.2
-1.4
Louisville 2 North Carolina 1 -11.0
-0.6
Penn 1 New York II 3 -7.6
-0.2
Richmond 0 Nashville 3 -3.9
-0.2
Indy 1 Bethlehem 1 -1.6
Nashville 2 Toronto II 2 +0.9
+0.0
Tampa Bay 1 Charlotte 2 +0.7
+0.0
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Bethlehem 1 Tampa Bay 0 Out
-0.1
Charlotte 1 North Carolina 3 +5.6
+1.0
Ottawa 0 Charleston 2 +1.6
+0.1
Points
Chance Will Make Playoffs