How are these numbers calculated?

Big Games

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

Week of 10/13100.0*Chance in playoffs100.0*Average seed
CoreyB 87 Spar 123.5 -6.6
-0.7
NickM 116 Aaron 75 -0.4
NickN 119.5 Bill 103.5 -0.3
Pete 104 Colin 113 +0.3
CoreyA 134.5 Stigs 81.5 -0.3
+0.1
If winner is:HomeAway
Week of 10/20100.0*Chance in playoffs100.0*Average seed
Bill vs CoreyB-10.0+10.0
-0.8+0.8
Colin vs NickM+0.9-0.9
Aaron vs NickN+0.7-0.7
+0.1-0.1
Stigs vs Pete-0.1+0.1
-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
117-0In10037,995
106-1In92720259,193
95-2In57281510775,415
84-3100.0%113635162001,290,763
73-497.1010113032153001,290,089
62-535.0001825372350773,711
51-60.30006315013258,746
40-7Out01376237,588
Total:82.3%1818151310876414,723,500
Games Above .500
Chance Will Make Playoffs