How are these numbers calculated?

Big Games

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

Week of 8/18100.0*Chance in playoffs
Carey 6.5 Zadworny 3.5 +0.1
Feeney 6 Pava 4 -0.0
JP 8 Schindel 2 -0.0
Week of 8/25100.0*Chance in playoffs
Carey 7.5 Feeney 2.5 +0.1
Zadworny 4 JP 6 -0.0
Week of 9/1100.0*Chance in playoffs
JP 9 Carey 1 -0.1
Points
Chance Will Make Playoffs