How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 50011115211305135$350,663
Auto Club 50027332498282123,540
Shelby 42732252816767122,715
Kobalt Tools 500102333011345139117,465
Food City 50026205018585124,190
Goody’s Fast Relief 50029204987676108,890
Samsung 50025313328888140,913
Subway Fresh Fit 500726312146146124,690
Aaron’s 4993331792464569121,190
Crown Royal Presents Richmond 40022440022975102113,815
Southern 500616367611505155162,113
Coca-Cola 60023122279494131,140
Dover 4002115399100100122,165
Pocono 5001819200109109107,440
LifeLock 40036191925555108,915
Toyota/Save Mart 3502561138888114,913
Lenox Industrial Tools 30137221745252107,015
Coke Zero 40025241608888128,315
LifeLock.com 40016212671152590130,190
Allstate 400 at the Brickyard1713160112112195,115
Pennsylvania 5001924200106106107,190
NASCAR Sprint Cup Series at the Glen2823907979102,090
Michigan 400215200100100114,690
Sharpie 50022245009797131,390
Pep Boys Auto 50026132468851095153,490
Chevy Rock and Roll 4003923254646103,040
Sylvania 300197300106106114,515
Dover 400 Number 233322516464105,790
Kansas 400162126721155120130,690
Pepsi 5002252494975102129,240
Bank of America 500925334138138127,065
Tums Fast Relief 5002834997979108,940
Amp Energy 5003123189170575112,765
Dickies 50014273331215071143,640
Checker O'Reilly Auto Parts 50051312155155159,040
Ford 400914267138138
10,1331843,528+50-75=3,503$4,598,967