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 -13.0
-0.6
kingcarson 129 Penn6045 111 +3.3
TheGlenlivet15 136 xNotEdgex 111 -2.0
-0.1
PanchoVila491 110 Pomppu 105 +0.3
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
orbitmint vs kingcarson+10.2-10.2
+0.4-0.4
TheGlenlivet15 vs Grogthor-5.5+5.5
-0.2+0.2
Ryars vs Penn6045+3.9-3.9
+0.1-0.1
Brown-Crayon vs JDC4654-2.4+2.4

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
72-046.9%474492,573,044
61-13.1323482605,134,053
50-2Out074262,574,047
Total:13.3%13222731710,281,144
Games Above .500
Chance Will Make Playoffs