How are these numbers calculated?

Big Games

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

Week of 2/11100.0*Chance in playoffs100.0*Average seed
Michael 149.45 Joe 156.05 +5.7
+0.6
Fabian 225.85 Chay 219.2 +3.5
+0.1
Mason 204.8 Richard 221.2 +0.8
+0.0
Travis 271.3 Andrew 179.05 -0.3
-0.0
Trevor 260.85 Ryan 259.1 +0.1
If winner is:HomeTieAway
Week of 2/18100.0*Chance in playoffs100.0*Average seed
Mason vs Joe-12.6-9.1+13.2
-0.8-0.3+0.8
Trevor vs Chay+6.3+4.8-6.6
+0.1+0.1-0.1
Travis vs Fabian-2.9+2.4+2.7
-0.2+0.1+0.2
Richard vs Andrew+0.5+0.4-0.5
+0.0+0.2-0.0
Michael vs Ryan+0.3+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
223-0-074.2%9652422,472,475
212-0-131.1315217509,273
202-1-023.223502427,404,949
1-0-22.83315115135,368
191-1-11.4119433251,019,679
0-0-3Out21947302835
181-2-00.50931411807,402,486
0-1-2Out193647835,057
170-2-1Out03195722509,022
160-3-0Out01744492,469,596
Total:17.2%11625211813621,858,740
Games Above .500
Chance Will Make Playoffs