How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday100.0*Chance in playoffs100.0*Average seed
Hickory 0 Greensboro 2 -21.9
-0.6
Hickory 4 Greensboro 0 +13.7
+0.4
Delmarva 0 West Virginia 6 -10.2
-0.1
Asheville 10 Greenville 1 -1.1
Sunday100.0*Chance in playoffs100.0*Average seed
Hickory 1 Greensboro 3 -26.2
-0.8
Delmarva 3 West Virginia 1 +17.3
+0.2
Asheville 6 Greenville 4 -2.4
-0.1
Monday100.0*Chance in playoffs100.0*Average seed
Asheville 2 Greenville 7 +19.5
+0.4
Delmarva 2 West Virginia 3 Out
-0.3
Hickory 1 Greensboro 2 Out
-1.1
Games Above .500
Chance Will Make Playoffs