How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
lucky9s 69 joplinjoe 47 +17.2
+1.3
snowballschance 88 milehighmagic 94 -1.0
-0.1
mudslingers 82 hotchubbtimemachine 67 +0.5
-0.1
triplec 110 pistolshrimp 88 +0.4
deeznutz 54 dixienormous 86 -0.2
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
twodogs 110 smokenhoes 47 +4.6
+0.1
hotchubbtimemachine 74 snowballschance 89 +4.1
+0.2
dixienormous 75 milehighmagic 84 -2.8
-0.2
triplec 112 mudslingers 61 -1.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
lucky9s vs smokenhoes+40.6-40.6
+1.6-1.6
mudslingers vs milehighmagic+5.8-5.8
+0.1-0.1
hotchubbtimemachine vs joplinjoe-5.8+5.8
-0.3+0.3
pistolshrimp vs snowballschance-5.8+5.8
-0.2+0.3
dixienormous vs triplec+1.1-1.1
+0.1-0.1
twodogs vs deeznutz-0.1+0.1
-0.1+0.1

What If

Chances based on how well the lucky9s finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-083.4%1539291439,641,497
60-12.321226352059,644,431
Total:42.9%8191613141810319,285,928
Games Above .500
Chance Will Make Playoffs