How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Brown-Crayon 114 orbitmint 113 -12.0
-0.5
kingcarson 129 Penn6045 111 +3.2
TheGlenlivet15 136 xNotEdgex 111 -2.0
-0.1
PanchoVila491 110 Pomppu 105 +0.2
JDC4654 164 Ryars 129 -0.1
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
orbitmint vs kingcarson+10.2-9.6
+0.4-0.4
TheGlenlivet15 vs Grogthor-5.1+5.5
-0.2+0.2
Ryars vs Penn6045+3.7-3.7
+0.1-0.1
Brown-Crayon vs JDC4654-2.1+2.3
xNotEdgex vs PanchoVila491-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-046.0%4644107,580,016
61-13.03234926015,730,625
50-2Out074268,175,983
Total:12.6%13222732731,486,624
Games Above .500
Chance Will Make Playoffs