The Fort Wayne Pistons have the highest field-goal percentage / opponent field-goal percentage by a team in a loss, with 2.06 against the Minneapolis Lakers on November 17, 1951.

Interpreted as:

Highest fg%/opponent fg% in a regular-season loss NBA

	TEAM	FG%/OPP FG%	L	FG%	OPP FG%	DATE	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Pistons	2.06	1	41.2	20.0	11/17/1951	FTW	@	MIN	L 64-68	265	64					21	51				22	29	75.9	50.2				28
2	Jazz	1.64	1	54.7	33.3	11/14/1987	UTA	@	HOU	L 93-101	240	93	48	21	5	7	41	75	0	4	0.0	11	20	55.0	55.5	11	37	21	29
3	Celtics	1.52	1	40.3	26.5	1/8/1950	BOS	@	MIN	L 80-85	265	80		24			29	72				22	27	81.5	47.7				27
4	Grizzlies	1.51	1	41.8	27.7	11/13/1995	VAN	vs	DAL	L 89-94	240	89	45	25	8	8	38	91	4	13	30.8	9	15	60.0	45.6	16	29	10	26
5	Falcons	1.51	1	32.3	21.4	12/26/1946	DET	@	STL	L 51-55	240	51					20	62				11	20	55.0	36.0				24
6	Knicks	1.48	1	56.3	38.0	11/5/1983	NYK	@	GSW	L 100-102	240	100	37	24	6	4	40	71	0	1	0.0	20	26	76.9	60.7	10	27	30	37
7	Spurs	1.46	1	61.0	41.8	3/8/1986	SAS	@	HOU	L 117-126	240	117	37	33	4	3	47	77	1	3	33.3	22	27	81.5	65.8	8	29	25	33
8	Pacers	1.45	1	43.6	30.1	1/18/2012	IND	@	SAC	L 88-92	240	88	53	13	7	8	34	78	1	13	7.7	19	27	70.4	49.0	18	35	18	28
9	Cavaliers	1.45	1	50.5	35.0	1/7/1975	CLE	@	ATL	L 112-113	265	112	50	23	10	3	48	95				16	22	72.7	53.5	7	43	20	36
10	Warriors	1.44	1	36.0	25.0	12/8/1949	PHI	@	BOS	L 87-91	240	87		27			31	86				25	31	80.6	43.7				36
11	Pacers	1.44	1	52.5	36.5	2/23/1989	IND	@	ATL	L 97-100	240	97	52	23	5	5	42	80	1	8	12.5	12	15	80.0	56.0	17	35	25	28
12	Kings	1.44	1	55.3	38.5	1/4/2008	SAC	@	CLE	L 93-97	240	93	41	27	2	2	42	76	3	15	20.0	6	12	50.0	57.2	9	32	21	23
13	Bucks	1.43	1	50.6	35.4	3/18/1983	MIL	@	DET	L 99-103	265	99	57	25	4	7	43	85	1	3	33.3	12	21	57.1	52.5			26	37
14	Timberwolves	1.42	1	46.7	33.0	4/7/2007	MIN	vs	NOK	L 94-96	240	94	43	27	4	8	35	75	14	23	60.9	10	14	71.4	57.9	4	39	16	30
15	Royals	1.41	1	45.5	32.1	1/11/1956	ROC	vs	PHI	L 94-97	240	94	56	19			35	77				24	29	82.8	52.4				34
16	Grizzlies	1.41	1	47.5	33.7	3/9/1997	VAN	@	TOR	L 77-81	240	77	42	23	2	5	29	61	3	11	27.3	16	24	66.7	53.8	6	36	19	21
17	Hornets	1.41	1	57.7	41.0	4/5/1994	CHA	@	CLE	L 99-105	240	99	37	30	7	9	41	71	5	12	41.7	12	20	60.0	62.0	4	33	19	25
18	Grizzlies	1.41	1	42.5	30.2	12/28/1995	VAN	@	DAL	L 101-103	290	101	54	18	8	11	37	87	7	11	63.6	20	32	62.5	50.0	16	38	24	30
19	SuperSonics	1.4	1	52.1	37.1	2/23/2007	SEA	@	NOK	L 97-98	240	97	42	16	2	3	38	73	9	17	52.9	12	16	75.0	60.6	5	37	18	18
20	Timberwolves	1.4	1	49.3	35.3	1/7/2006	MIN	@	DAL	L 79-83	240	79	36	13	5	6	33	67	3	15	20.0	10	13	76.9	54.3	4	32	18	27
21	Knicks	1.39	1	43.5	31.3	4/28/1999	NYK	@	ATL	L 73-76	240	73	37	13	10	7	27	62	3	10	30.0	16	22	72.7	50.9	3	34	20	30
22	Clippers	1.39	1	57.7	41.4	4/9/2005	LAC	vs	SAS	L 124-125	290	124	42	30	4	7	45	78	3	5	60.0	31	40	77.5	64.9	5	37	22	36
23	Nets	1.39	1	59.2	42.5	11/4/1986	NJN	@	WAS	L 101-102	240	101	35	27	10	6	42	71	1	1	100.0	16	23	69.6	62.3	8	27	23	28
24	Clippers	1.39	1	53.1	38.2	11/7/1992	LAC	@	PHX	L 105-111	240	105	33	22	7	8	43	81	2	5	40.0	17	27	63.0	56.5	6	27	15	31
25	Hawks	1.39	1	51.9	37.4	11/25/1972	ATL	vs	CHI	L 99-100	240	99	51	24			42	81				15	20	75.0	55.1				25

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Results may be incomplete. StatMuse has complete team, game-level data for field-goal percentage and opponent field-goal percentage going back to the 1982-83 season.