How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 50036361505555$295,252
Auto Club 50028282487979115,579
Shelby 4272562838888120,529
Kobalt Tools 50022123273975102109,679
Food City 50072503251465151129,729
Goody’s Fast Relief 500627500150150112,554
Samsung 5001521334118118150,002
Subway Fresh Fit 500163031241155120110,529
Aaron’s 499325188101655170201,104
Crown Royal Presents Richmond 400410400451605165142,829
Southern 50043367481605165170,527
Coca-Cola 6002122721705175327,004
Dover 400811400142142131,454
Pocono 5005520011555160131,429
LifeLock 40023181999494107,829
Toyota/Save Mart 350177113112112112,902
Lenox Industrial Tools 3012962701776581104,379
Coke Zero 40020716011035108126,029
LifeLock.com 400612267150150142,554
Allstate 400 at the Brickyard1417160121121190,979
Pennsylvania 500147200121121102,079
NASCAR Sprint Cup Series at the Glen2169010010096,704
Michigan 400157200118118111,029
Sharpie 50069500150150145,054
Pep Boys Auto 50092332511385143135,479
Chevy Rock and Roll 4001021400134134112,654
Sylvania 30071830011465151131,679
Dover 400 Number 2103400291345139119,429
Kansas 40022302669797119,129
Pepsi 5001536250118118128,054
Bank of America 500116334130130113,304
Tums Fast Relief 50071501231465151122,004
Amp Energy 500367183355560101,054
Dickies 5001226333127127142,454
Checker O'Reilly Auto Parts 500202431111035108107,329
Ford 4002372679494
10,4682144,367+80-0=4,447$4,820,307