How are these numbers calculated?

Big Games

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

Week of 7/8100.0*Chance in playoffs100.0*Average seed
Philadelphia 49 Cleveland 21 -11.5
-0.3
Georgia 41 Chicago 51 +7.2
+0.1
Pittsburgh 34 Arizona 68 +2.9
+0.2
San Jose 60 Orlando 40 +0.7
If winner is:HomeHome OTAway OTAway
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Cleveland vs PittsburghInIn-23.4-23.4
+1.0+1.0-1.0-1.0
Tampa Bay vs Georgia+7.8+7.8-8.1-7.8
+0.1+0.1-0.1-0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
112-0In1002,426,174
101-192.2%7551284,849,833
90-221.922782,425,712
Total:76.6%63212239,701,719
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)

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 7/8100.0*Lottery seed
Philadelphia 49 Cleveland 21 +0.6
Pittsburgh 34 Arizona 68 -0.3
Georgia 41 Chicago 51 -0.1
If winner is:HomeHome OTAway OTAway
Week of 7/15100.0*Lottery seed
Cleveland vs Pittsburgh-1.7-1.7+1.7+1.7
Tampa Bay vs Georgia-0.2-0.2+0.2+0.2
Utah vs New Orleans+0.1+0.1-0.1-0.1

What If

100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112131415161718
112-0100
101-1755128
90-213953214
Total:632921751