Wilt Chamberlain has the best field-goal percentage in a game with 60+ points, at 82.9 percent against the Suns on February 9, 1969.

highest field goal percentage in a 60 point game ever
Interpreted as:
highest field goal percentage by a player in a 60 or more point regular-season game ever
2/9/1969Chamberlain1/27/1990Malone12/16/1967Chamberlain4/9/1978Thompson3/9/1961Chamberlain3/10/1963Chamberlain3/24/1990Chambers3/6/2000O'Neal11/16/1962Chamberlain11/30/2019Harden3/3/2014James3/26/1974Barry3/3/1966Chamberlain2/25/1962Chamberlain1/24/2014Anthony2/7/1966Chamberlain12/5/2016Thompson4/24/1994Robinson1/30/2018Harden12/25/1984King3/28/1990Jordan11/17/2018Walker1/29/1963Chamberlain82.980.875.073.773.071.168.868.667.466.766.766.766.765.865.765.163.663.463.363.362.261.861.4
NAMEDATETMOPPFG%PTSMINREBASTSTLBLKTOVFGMFGA3PM3PA3P%FTMFTAFT%PF+/-
Wilt ChamberlainWilt Chamberlain2/9/1969LALLALvsPHXPHX82.96648274293581844.41
Karl MaloneKarl Malone1/27/1990UTAUTAvsMILMIL80.86133182302212600192382.62
Wilt ChamberlainWilt Chamberlain12/16/1967PHIPHI@CHICHI75.06848342304082236.41
David ThompsonDavid Thompson4/9/1978DENDEN@DETDET73.77343720142838172085.02
Wilt ChamberlainWilt Chamberlain3/9/1961PHIPHIvsNYKNYK73.067483112737131776.51
Wilt ChamberlainWilt Chamberlain3/10/1963SFWSFW@SYRSYR71.170481832738162272.72
Tom ChambersTom Chambers3/24/1990PHXPHXvsSEASEA68.8604264121223200161888.95
Shaquille O'NealShaquille O'Neal3/6/2000LALLAL@LACLAC68.66145233004243500132259.12+16
Wilt ChamberlainWilt Chamberlain11/16/1962SFWSFW@NYKNYK67.473481412943151978.90
James HardenJames Harden11/30/2019HOUHOUvsATLATL66.7603138315162481457.1202387.03+50
LeBron JamesLeBron James3/3/2014MIAMIAvsCHACHA66.7614174002223381080.091275.02+16
Rick BarryRick Barry3/26/1974GSWGSWvsPORPOR66.764431095030454580.04
Wilt ChamberlainWilt Chamberlain3/3/1966PHIPHIvsSFWSFW66.762483732639101952.62
Wilt ChamberlainWilt Chamberlain2/25/1962PHIPHIvsNYKNYK65.867482112538172277.31
Carmelo AnthonyCarmelo Anthony1/24/2014NYKNYKvsCHACHA65.76239130000233561154.51010100.01+34
Wilt ChamberlainWilt Chamberlain2/7/1966PHIPHIvsLALLAL65.16547292284392045.03
Klay ThompsonKlay Thompson12/5/2016GSWGSWvsINDIND63.6602921000213381457.1101190.90+37
David RobinsonDavid Robinson4/24/1994SASSAS@LACLAC63.4714414502826411250.0182572.02
James HardenJames Harden1/30/2018HOUHOUvsORLORL63.360461011415193051435.7171894.42+7
Bernard KingBernard King12/25/1984NYKNYKvsNJNNJN63.3604174005193000222684.62
Michael JordanMichael Jordan3/28/1990CHICHI@CLECLE62.2695018641223372633.3212391.35
Kemba WalkerKemba Walker11/17/2018CHACHAvsPHIPHI61.8604574409213461442.91212100.02+1
Wilt ChamberlainWilt Chamberlain1/29/1963SFWSFW@NYKNYK61.46248120274481747.11
Kobe BryantKobe Bryant2/2/2009LALLAL@NYKNYK61.361370301219313650.02020100.01+19
Larry BirdLarry Bird3/12/1985BOSBOS@ATLATL61.160437300322361425.0151693.83
Results may be incomplete. StatMuse has complete game-level data for field-goal percentage going back to the 1982-83 season.