How are these numbers calculated?

Big Games

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

Week of 2/27100.0*Chance in playoffs100.0*Average seed
Bizoune 14 Loonies 17 +16.7
+0.7
Mile-Enders 13 Crew 14 +3.7
+0.1
National 22 Crottes 19 -3.7
-0.1
Punks 25 Calumets 21 -3.6
-0.1
Balls 17 Titans 25 +3.3
+0.1
Week of 3/6100.0*Chance in playoffs100.0*Average seed
Mile-Enders 17 Loonies 16 -23.5
-1.0
Bizoune 11 Balls 12 -5.8
-0.1
National 8 Crew 14 +2.1
+0.1
Punks 16 Crottes 22 +0.5
+0.2
Week of 3/13100.0*Chance in playoffs100.0*Average seed
National 8 Loonies 17 In
+1.2
Bizoune 16 Mile-Enders 17 -0.3
Calumets 20 Balls 15 +0.2
Punks 18 Crew 24 +0.2
Games Above .500
Chance Will Make Playoffs