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
Mason 204.8 Richard 221.2 -6.6
-0.6
Fabian 225.85 Chay 219.2 +2.4
+0.0
Michael 149.45 Joe 156.05 -0.6
-0.1
Travis 271.3 Andrew 179.05 +0.3
-0.0
If winner is:HomeTieAway
Week of 2/18100.0*Chance in playoffs100.0*Average seed
Mason vs Joe+5.4-3.5-4.2
+0.8-0.4-0.6
Trevor vs Chay+0.7+0.3-3.4
+0.0+0.0-0.1
Travis vs Fabian-1.3+0.2+0.4
-0.2+0.0+0.1
Richard vs Andrew+0.2+0.2-0.1
+0.1+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
203-0-064.8%6529603,562,592
192-0-17.883739151953,937
182-1-03.432943223017,019,569
1-0-2Out1165527184,453
171-1-1Out113523322,991,588
0-0-3Out8712102,504
161-2-0Out0104839326,447,585
0-1-2Out867250130,447
150-2-1Out7652702,289,633
140-3-0Out66330013,380,312
Total:4.4%4101629338066,862,620
Games Above .500
Chance Will Make Playoffs