How are these numbers calculated?

Big Games

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

Week of 12/6100.0*Chance in playoffs100.0*Average seed
Godfavre 90.34 Mushroom Stampe 50.2 -10.0
-0.9
Fourth and Schl 87.48 Hero to Zero 95.74 -5.9
-0.1
Amber Llamas 70.58 Ballz Deep 94.9 +5.7
REEDunkulious 91.24 Shake N Bake 110.42 -1.3
+0.0
GIVE ME A BREAK 59.6 KP 90.24 +0.1
If winner is:HomeAway
Week of 12/13100.0*Chance in playoffs100.0*Average seed
REEDunkulious vs Mushroom Stampe-1.2+1.5
GIVE ME A BREAK vs Hero to Zero-0.4+0.2
Fourth and Schl vs Ballz Deep+0.2-0.3
Amber Llamas vs Godfavre+0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
61-0Out2354238,567,585
50-1Out44451111,250,460
Total:Out1023102525619,818,045
Games Above .500
Chance Will Make Playoffs