How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Sheva Seeking S 80.62 Sarah's Team 109.5 -34.0
-1.0
Michael's Okay 84.92 Ashley's Team 110.32 +14.2
+0.3
Jordan's Team 143.42 Heidi's Quality 83.64 -3.6
-0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Jordan's Team 110.28 Sheva Seeking S 62.22 Out
-0.4
Michael's Okay 93.5 Sarah's Team 63.18 +0.9
-0.1
Ashley's Team 124.7 Ufer Blue 176.72 +0.0
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Sarginators vs Sheva Seeking S-0.1+0.3
Ashley's Team vs Heidi's Quality-0.1+0.1

What If

Chances based on how well the Sheva Seeking S finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
61-0Out158533,111,619
50-1Out8119105,789,389
Total:Out48215138,901,008
Games Above .500
Chance Will Make Playoffs