How are these numbers calculated?

Big Games

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

Week of 8/2100.0*Chance in playoffs100.0*Average seed
OD 0 GO 1 -2.8
-1.0
SS 0 GM 4 +0.2
TK 1 BD 1 +0.1
Week of 8/16100.0*Chance in playoffs100.0*Average seed
OD 0 BD 1 -1.5
GO 0 GM 2 -0.2
SS 0 SP 1 -0.0
Points
Chance Will Make Playoffs