How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/18100.0*Chance in playoffs100.0*Average seed
Mile-Enders 17 Crew 21 +20.8
+0.6
Balls 15 Titans 20 +4.8
+0.2
Bizoune 21 Loonies 10 +2.4
Week of 2/25100.0*Chance in playoffs100.0*Average seed
National 23 Crew 17 -20.0
-0.5
Mile-Enders 14 Loonies 15 -14.9
-0.1
Bizoune 23 Balls 19 -1.2
-0.1
Calumets 26 Titans 27 +0.1
+0.1
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Punks 19 Crew 17 Out
-0.2
National 18 Loonies 12 +24.0
+0.2
Games Above .500
Chance Will Make Playoffs