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
Glendale 49 OPSB 39 +6.5
+0.5
Denver 23 SFGG 29 -0.3
+0.0
Week of 4/13100.0*Chance in playoffs100.0*Average seed
OPSB 39 Denver 14 +32.0
+0.1
SFGG 43 Glendale 10 -8.9
-0.1
Week of 4/20None
Games Above .500
Chance Will Make Playoffs