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
Travis 271.3 Andrew 179.05 -5.5
-0.7
Fabian 225.85 Chay 219.2 +3.2
+0.1
Mason 204.8 Richard 221.2 +1.1
+0.1
Michael 149.45 Joe 156.05 -0.5
-0.1
Trevor 260.85 Ryan 259.1 +0.2
If winner is:HomeTieAway
Week of 2/18100.0*Chance in playoffs100.0*Average seed
Richard vs Andrew-3.2-3.1+3.4
-0.7-0.3+0.7
Trevor vs Chay+1.9+1.5-2.0
+0.1+0.0-0.1
Travis vs Fabian-0.8+0.6+0.8
-0.1+0.1+0.1
Mason vs Joe-0.3+1.1+0.2
-0.0+0.2+0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
203-0-027.8%28502032,473,314
192-0-11.522042325508,761
182-1-00.811236401107,401,847
1-0-2Out084346335,224
171-1-1Out043154111,018,067
0-0-3Out455374812
161-2-0Out022154247,404,149
0-1-2Out34051635,053
150-2-1Out226657509,167
140-3-0Out1137792,472,346
Total:3.4%31016232719121,858,740
Games Above .500
Chance Will Make Playoffs