How are these numbers calculated?

Big Games

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

Sunday100.0*Chance in playoffs100.0*Average seed
Wildcats 5 Stingrays 4 (so)+26.6
+0.6
Grenades 2 Broncos 4 +4.8
+0.2
Rockies 4 Buzzards 1 -3.3
-0.0
Sundogs 4 Roadhogs 2 -0.5
-0.1
Monday100.0*Chance in playoffs100.0*Average seed
Express 8 Rockies 3 In
+0.3
Maniax 4 Grenades 3 In
+0.3
TuesdayNone
Points
Chance Will Make Playoffs