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
Bizoune 21 Loonies 10 -20.2
-0.9
Mile-Enders 17 Crew 21 -9.2
-0.1
Balls 15 Titans 20 +2.7
+0.1
National 13 Crottes 11 -0.2
-0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Mile-Enders 14 Loonies 15 +24.2
+0.5
National 23 Crew 17 +13.6
+0.2
Bizoune 23 Balls 19 -1.1
Calumets 26 Titans 27 +0.4
+0.1
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Punks 19 Crew 17 In
+0.2
National 18 Loonies 12 -24.0
-0.7
Calumets 25 Balls 16 -0.2
Bizoune 19 Mile-Enders 16 +0.2
Games Above .500
Chance Will Make Playoffs