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 +21.2
+1.0
Nashville 1 New York II 1 +2.1
+0.1
Ottawa 0 Bethlehem 0 +1.8
+0.1
Atlanta II 1 Tampa Bay 1 +0.7
+0.0
Cincinnati 3 Indy 0 +0.5
+0.1
Charlotte 2 Pittsburgh 2 +0.4
+0.0
Penn 2 Charlotte 2 +0.1
Week of 10/5100.0*Chance in playoffs100.0*Average seed
North Carolina 1 New York II 2 -25.4
-1.2
Louisville 2 North Carolina 1 -22.7
-1.1
Penn 1 New York II 3 -8.2
-0.2
Richmond 0 Nashville 3 -4.6
-0.2
Nashville 2 Toronto II 2 -1.6
-0.0
Tampa Bay 1 Charlotte 2 +1.1
+0.0
Indy 1 Bethlehem 1 -0.8
+0.0
Week of 10/13100.0*Chance in playoffs100.0*Average seed
Bethlehem 1 Tampa Bay 0 Out
-0.2
Charlotte 1 North Carolina 3 +12.5
+1.1
Ottawa 0 Charleston 2 +4.6
+0.1
Points
Chance Will Make Playoffs