How are these numbers calculated?

Big Games

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

Tuesday, 2/28100.0*Chance in playoffs100.0*Average seed
Academy 1 Nymphs 5 -18.4
-0.7
Pitchforks 2 War Saws 0 -3.2
-0.1
Wednesday, 2/29100.0*Chance in playoffs100.0*Average seed
War Saws 1 Academy 3 +5.2
+0.3
Nymphs 1 Pitchforks 2 -4.2
-0.1
Thursday, 3/1100.0*Chance in playoffs100.0*Average seed
Pitchforks 0 Academy 2 In
+2.0
Points
Chance Will Make Playoffs