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
Fourth and Schl 87.48 Hero to Zero 95.74 +21.9
+1.0
Amber Llamas 70.58 Ballz Deep 94.9 +7.0
REEDunkulious 91.24 Shake N Bake 110.42 +2.3
+0.1
Godfavre 90.34 Mushroom Stampe 50.2 +0.8
+0.1
GIVE ME A BREAK 59.6 KP 90.24 +0.2
If winner is:HomeAway
Week of 12/13100.0*Chance in playoffs100.0*Average seed
GIVE ME A BREAK vs Hero to Zero-37.5In
-0.9+0.9
Amber Llamas vs Godfavre-12.5+12.5
-0.4+0.4
Fourth and Schl vs Ballz Deep+12.5-12.5
REEDunkulious vs Mushroom Stampe-0.1+0.1

What If

Chances based on how well the Hero to Zero finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In50509,551,996
70-125.0%253725139,554,165
Total:62.5%25381913619,106,161
Games Above .500
Chance Will Make Playoffs