How are these numbers calculated?

Big Games

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

Week of 4/6100.0*Chance in playoffs100.0*Average seed
Boston 22 NYAC 28 -4.1
-0.1
Life 25 Old Blue 21 -0.7
+0.0
Week of 4/13None
Week of 4/20100.0*Chance in playoffs100.0*Average seed
Old Blue 37 Boston 17 -0.5
Games Above .500
Chance Will Make Playoffs