How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Chance in playoffs100.0*Average seed
Rock 8 Bandits 13 -5.7
-0.7
Swarm 17 Bandits 16 +2.6
+0.1
Stealth 15 Roughnecks 11 +1.9
Mammoth 13 Knighthawks 7 +1.2
-0.1
Rush 12 Black Wolves 13 -0.3
-0.2
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Bandits 7 Swarm 20 +4.4
+0.1
Rush 15 Rock 10 -4.3
-0.5
Knighthawks 15 Black Wolves 13 -1.9
+0.2
Stealth 13 Mammoth 7 -1.4
-0.0
If winner is:HomeAway
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Swarm vs KnighthawksIn-3.3
Knighthawks vs Swarm-2.6In
Bandits vs Rock-1.9In
-0.4+0.4
Black Wolves vs StealthIn-1.8
+0.1-0.1
Roughnecks vs RushIn-1.6
Mammoth vs Rush+0.1-0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
91-0In25753,968,668,136
80-196.3%514643,602,720,014
Total:98.2%13642227,571,388,150
Games Above .500
Chance Will Make Playoffs