How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Becky 97.2 Jess 108.8 -0.4
Kevin 63.4 Stephen 93 In
Piatt 91.3 Ryan 86.4 In
-0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Evan 110.3 Becky 110.1 -0.3
Jess 53.7 Piatt 116.3 -0.0
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Piatt 72.4 Evan 78.9 -0.6
Becky 116.9 Stephen 72.4 +0.1
Games Above .500
Chance Will Make Playoffs