How are these numbers calculated?

Big Games

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

Week of 4/3100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Vollrath 6 McEwen 3 -16.0
+0.1
-0.6
Coffey 3 McEwen 6 +8.5
-15.0
+0.9
Gravel 3 Vollrath 10 -2.5
-2.5
+0.0
Mantha 8 Benard 4 -2.2
+0.6
-0.1
If winner is:HomeTieAway
Week of 4/10100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Mantha vs LynchOutOut+2.9
No+0.2+0.2
+0.1+0.1-0.1
McEwen vs Gravel+2.9OutOut
NoNo+0.2
+0.6-0.1-0.6
Mantha vs Douglas+2.9OutOut
-0.1-0.2+0.1
McEwen vs Mantha+2.9OutOut
NoNo+0.2
+0.6-0.3-0.6
Vollrath vs Douglas+2.5+1.7Out
+0.1-0.0-0.1
Lynch vs GravelNo+3.7No
-0.1-0.0+0.1
Coffey vs Gravel+0.2NoNo
+0.1-0.1-0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678RelegatedCount
92-0-011.7%127315No5,516,524
81-0-1Out16777No1,159,268
71-1-0Out36928No11,018,912
0-0-2Out5248No60,879
60-1-1Out166321No1,160,539
50-2-0Out0495010.9%5,515,414
Total:2.6%31939271200.2%24,431,536
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 4/3100.0*Lottery seed
Coffey 3 McEwen 6 -0.9
Vollrath 6 McEwen 3 +0.7
Mantha 8 Benard 4 +0.1
Gravel 3 Vollrath 10 -0.0
If winner is:HomeTieAway
Week of 4/10100.0*Lottery seed
McEwen vs Gravel-0.6+0.1+0.6
McEwen vs Mantha-0.6+0.3+0.6
Coffey vs Gravel-0.1+0.1+0.1
Lynch vs Gravel+0.1+0.2-0.1
Mantha vs Douglas+0.1+0.1-0.1
Mantha vs Lynch-0.1+0.1+0.1
Vollrath vs Douglas-0.1+0.0+0.1

What If

100100100100100100100100
If finish:Chance will finish season at seed
TPW-L-T12345678
92-0-0127316
81-0-116759
71-1-0367300
0-0-25644
60-1-1166123
50-2-0048511
Total:3183828130