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
Ricky 62.84 Craig 112.52 +12.7
+0.8
Ethan 85.92 Ryan 92.66 +0.9
Sonny 147.54 Greg 108.76 -0.9
Dave 141.12 Matt 86.6 +0.4
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
Matt vs Craig-10.0+10.0
-0.8+0.8
Aaron vs Ryan+0.4-1.1
Josh vs Taylor-0.3+0.6
-0.0+0.1
Ricky vs Justin+0.3-0.3
Sonny vs Ethan+0.1-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1210-0In10018,844
119-1In89110147,766
108-2In5540500563,983
97-3In1545328101,251,625
86-499.8%1103237173001,802,786
75-585.5003173431122001,751,702
64-624.2004203528112001,167,585
53-70.400522372781527,154
42-8Out019334215153,845
31-9Out05346125,997
20-10Out04963,538
Total:75.0%913141413119753217,414,825
Games Above .500
Chance Will Make Playoffs