what is biggest negative point differential per gameby a team in an nba season

The Boston Celtics had a point differential of -293 points in 1946-47.

	TEAM	DIFF	SEASON	GP	MPG	PPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	AST	PF
1	Celtics	-293	1946-47	60	241.3	60.1	7.8	23.3	85.6	27.2	13.5	22.9	59.0	31.4	14,475	3,605	470	1,202
2	Stags	224	1946-47	61	241.2	77.0	7.1	30.8	103.4	29.8	15.4	25.4	60.6	33.6	14,715	4,697	436	1,473
3	Rebels	-57	1946-47	60	242.1	70.9	8.2	27.9	95.0	29.4	15.1	23.8	63.2	33.6	14,525	4,251	494	1,246
4	Falcons	-120	1946-47	60	240.4	63.3	8.0	24.0	97.4	24.6	15.4	24.9	61.8	29.2	14,425	3,797	482	1,351
5	Knicks	39	1946-47	60	243.3	64.7	7.6	24.4	87.6	27.9	15.9	24.0	66.1	33.0	14,600	3,881	457	1,218
6	Warriors	209	1946-47	60	240.4	68.6	5.7	25.2	89.7	28.0	18.3	26.6	68.8	33.8	14,425	4,118	343	1,082
7	Ironmen	-383	1946-47	60	240.8	61.2	4.5	22.4	82.7	27.1	16.4	25.1	65.3	32.7	14,450	3,674	272	1,360
8	Steam Rollers	-100	1946-47	60	241.7	72.5	8.0	27.2	93.0	29.2	18.2	27.8	65.5	34.4	14,500	4,350	481	1,215
9	Bombers	153	1946-47	61	243.3	66.6	4.8	26.2	96.3	27.2	14.1	23.0	61.6	31.3	14,840	4,064	292	1,234
10	Huskies	-264	1946-47	60	240.4	66.6	7.7	25.3	94.5	26.7	16.1	25.9	62.2	31.4	14,425	3,996	463	1,271
11	Capitols	592	1946-47	60	240.8	73.8	6.3	28.7	96.6	29.7	16.4	23.2	70.6	34.6	14,450	4,428	378	1,144
12	Celtics	-188	1947-48	48	242.6	68.8	7.6	25.9	90.1	28.7	17.1	26.0	65.9	33.9	11,645	3,303	364	1,065
13	Stags	127	1947-48	48	241.6	75.8	9.0	29.0	97.6	29.7	17.9	27.2	65.9	34.6	11,595	3,640	432	1,138
14	Knicks	151	1947-48	48	240.5	74.5	7.8	28.2	98.4	28.7	18.1	26.9	67.2	33.8	11,545	3,578	376	1,076
15	Warriors	61	1947-48	48	243.1	73.4	7.0	26.6	101.6	26.2	20.1	28.1	71.4	32.2	11,670	3,521	335	934
16	Steam Rollers	-555	1947-48	48	241.0	69.1	7.2	26.4	96.5	27.4	16.3	26.6	61.3	32.0	11,570	3,318	347	1,105
17	Bombers	97	1947-48	48	241.0	71.5	4.5	27.0	94.8	28.5	17.5	25.9	67.4	33.7	11,570	3,432	218	1,050
18	Capitols	122	1947-48	48	242.1	73.7	6.4	27.8	99.7	27.9	18.0	25.1	71.9	33.3	11,620	3,537	305	1,084
19	Bullets	185	1947-48	48	241.6	74.4	6.7	26.8	89.2	30.1	20.7	30.1	68.9	36.3	11,595	3,570	320	1,080
20	Celtics	-175	1948-49	60	241.3	76.6	18.9	28.4	91.4	31.1	19.7	30.9	63.6	36.5	14,475	4,593	1,135	1,382
21	Stags	240	1948-49	60	242.5	84.0	20.3	31.8	95.8	33.1	20.5	29.6	69.2	38.6	14,550	5,038	1,220	1,731
22	Knicks	89	1948-49	60	241.7	79.2	17.0	28.1	87.3	32.2	22.9	32.7	70.2	39.0	14,500	4,752	1,017	1,559
23	Warriors	21	1948-49	60	240.8	83.7	17.4	30.5	94.9	32.2	22.7	31.6	71.7	38.5	14,450	5,022	1,043	1,459
24	Steam Rollers	-548	1948-49	60	242.1	78.5	17.1	29.2	90.5	32.2	20.1	29.0	69.3	38.0	14,525	4,707	1,026	1,349
25	Bombers	-218	1948-49	60	242.5	75.8	21.2	27.7	81.0	34.1	20.5	29.5	69.4	40.3	14,550	4,547	1,269	1,480