How are these numbers calculated?

Big Games

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

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Sonny 147.54 Greg 108.76 +13.0
+0.9
Ethan 85.92 Ryan 92.66 +1.0
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
Sonny vs Ethan+7.9-12.2
+0.6-0.9
Aaron vs Ryan+0.4-0.9
Josh vs Taylor-0.3+0.7
-0.0+0.1
Dave vs Greg+0.4-0.3
+0.1-0.0
Matt vs Craig+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1210-0In10022,280
119-1In89110171,889
108-2In5739400626,278
97-3In1748296001,334,899
86-499.9%1133534142001,834,932
75-586.0004183530122001,708,387
64-621.7004183430132001,089,867
53-70.2003183631111470,395
42-8Out006284719131,207
31-9Out02306721,560
20-10Out3973,131
Total:76.8%1015151412108643217,414,825
Games Above .500
Chance Will Make Playoffs