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
Delmarva 0 West Virginia 6 +13.4
+0.6
Hickory 0 Greensboro 2 +4.0
Hickory 4 Greensboro 0 -2.5
Asheville 10 Greenville 1 -1.2
Sunday100.0*Chance in playoffs100.0*Average seed
Delmarva 3 West Virginia 1 -26.7
-0.6
Asheville 6 Greenville 4 -5.3
-0.1
Hickory 1 Greensboro 3 +4.4
Monday100.0*Chance in playoffs100.0*Average seed
Asheville 2 Greenville 7 +20.7
+0.3
Hickory 1 Greensboro 2 Out
Delmarva 2 West Virginia 3 +10.3
+0.8
Games Above .500
Chance Will Make Playoffs