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
Lankford 99 Henderson 85 Out
-0.2
Li 69 Anderson 58 +0.0
Fornshell 91 Singer 81 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Singer 112 Henderson 101 -0.7
Segal 72 Fornshell 56 +0.0
Ellerbe 72 Anderson 62 +0.0
If winner is:HomeTieAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Henderson vs Dumas+0.5+0.4-0.1
Burrow vs Fornshell+0.1+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
3.51-0-0Out584210,268,358
30-0-1Out4951528,070
2.50-1-0Out10041,966,012
Total:Out128852,762,440
Games Above .500
Chance Will Make Playoffs