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 -5.4
-0.3
Coffey 3 McEwen 6 +1.8
-11.2
+0.6
Gravel 3 Vollrath 10 -0.5
-0.8
+0.0
Mantha 8 Benard 4 -0.4
+0.1
If winner is:HomeTieAway
Week of 4/10100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Mantha vs LynchOutOut+4.0
No+0.2+0.2
+0.1+0.0-0.3
McEwen vs Mantha+2.9OutOut
NoNo+0.0
+0.8-0.1-0.2
Mantha vs Douglas+0.7OutOut
-0.0-0.1+0.0
McEwen vs Gravel+0.4OutOut
NoNo+0.1
+0.4-0.1-0.8
Vollrath vs Douglas+0.4-0.2Out
Lynch vs GravelNo+0.9No
-0.1+0.1+0.1
Coffey vs Gravel+0.1NoNo
+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
92-0-05.8%67520No9,896,192
81-0-1Out3933No3,050,405
71-1-0Out08812No38,236,365
0-0-2Out7129No175,680
60-1-1Out36577No3,659,049
50-2-0Out0594000.2%15,704,117
Total:0.8%1115623900.0%70,721,808
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 -0.6
Vollrath 6 McEwen 3 +0.3
Gravel 3 Vollrath 10 -0.0
Mantha 8 Benard 4 +0.0
If winner is:HomeTieAway
Week of 4/10100.0*Lottery seed
McEwen vs Gravel-0.4+0.1+0.9
McEwen vs Mantha-0.8+0.1+0.2
Mantha vs Lynch-0.1+0.1+0.3
Coffey vs Gravel-0.1+0.1+0.1
Lynch vs Gravel+0.1-0.0-0.1
Mantha vs Douglas+0.0+0.1-0.0

What If

100100100100100100100100
If finish:Chance will finish season at seed
TPW-L-T12345678
92-0-067420
81-0-13915
71-1-0086130
0-0-28020
60-1-1365311
50-2-0058410
Total:1115623100