How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Ethan 111.1 Shawn 96.48 In
+0.6
Shara 71.8 Tom H 63.14 -0.7
-0.1
Laurel 94.74 Jenn 97.14 -0.6
+0.1
Tom K 52.98 Riley 68.8 -0.3
Dave 93.34 Eric 88.58 +0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Erica vs Ethan-0.4+0.4
Laurel vs Riley-0.1+0.1
Jenn vs Eric+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
102-0In67332,893,256
91-1In1971105,779,594
80-2In294123612,894,678
Total:In26511662011,567,528
Games Above .500
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 11/17100.0*Lottery seed
Ethan 111.1 Shawn 96.48 -0.6
Laurel 94.74 Jenn 97.14 -0.1
Dave 93.34 Eric 88.58 -0.1
Shara 71.8 Tom H 63.14 +0.1
If winner is:HomeAway
Week of 11/24100.0*Lottery seed
Erica vs Ethan+0.4-0.4
Laurel vs Riley+0.1-0.1
Jenn vs Eric-0.1+0.1

What If

100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112
102-06733
91-1197110
80-229412361
Total:265116620