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
Punks 18 Calumets 13 In
+1.0
Mile-Enders 17 Crew 21 -0.5
+0.1
Bizoune 21 Loonies 10 +0.1
-0.0
National 13 Crottes 11 -0.2
Balls 15 Titans 20 -0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Punks 25 Crottes 26 -0.4
Mile-Enders 14 Loonies 15 +0.2
National 23 Crew 17 -0.1
Bizoune 23 Balls 19 -0.1
Calumets 26 Titans 27 +0.1
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Punks 19 Crew 17 +0.5
Bizoune 19 Mile-Enders 16 -0.0
Games Above .500
Chance Will Make Playoffs