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 Out
-0.5
Week of 12/1100.0*Chance in playoffs100.0*Average seed
joplinjoe 129 deeznutz 50 +0.9
hotchubbtimemachine 74 snowballschance 89 -0.3
twodogs 110 smokenhoes 47 -0.2
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
hotchubbtimemachine vs joplinjoe-0.8+0.2
pistolshrimp vs snowballschance+0.2-0.3
mudslingers vs milehighmagic-0.2+0.2
twodogs vs deeznutz-0.1+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
51-0Out425581447,668,759
40-1Out29581311,475,433
Total:Out3205222259,144,192
Games Above .500
Chance Will Make Playoffs