How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kevin V 82 Matt 97.76 -0.4
Maria 62.74 Craig 114.58 In
Ross 105.76 Iris 66.5 -0.0
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Maria 88.22 Ross 108.72 -0.1
Kevin V 92.4 Iris 42.36 +0.0
Nick 73.58 Matt 115.2 -0.0
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Justin vs Ross+0.6-0.1
Kevin V vs Nick+0.1-0.4
Laurel vs Matt+0.1-0.0

What If

Chances based on how well the Kevin V finish out the regular season.   Explain

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
121-0In89251,785,130
110-1In594111,218,274
Total:In686763,003,404
Games Above .500
Chance Will Make Playoffs