Hello dinesh kumar. We can always calculate percentile from Mark's. But the other way around is a bit tougher. So here, I would give you the ranges of percentile and Marks. Hope it would help.
JEE Main Marks vs percentile
360 to 310
100 - 99.98724751
309 to 299
99.985572 - 99.9740296
298 to 288
99.97589128 - 99.96258028
287 to 278
99.96146328 - 99.94424276
277 to 268
99.94098483 - 99.91929629
267 to 258
99.91836545 - 99.89081262
257 to 248
99.88643768 - 99.84845946
247 to 238
99.84510844 - 99.79959043
237 to 228
99.79679791 - 99.73294238
227 to 218
99.73005678 - 99.65475193
217 to 208
99.64888765 - 99.55273201
207 to 198
99.54919482 - 99.43609792
197 to 188
99.4200875 - 99.28958392
187 to 178
99.26473052 - 99.07781811
177 to 168
99.06329703 - 98.85683701
167 to 158
98.82509541 - 98.55710695
157 to 148
98.53104347 - 98.20040957
147 to 138
98.14939961 - 97.75686494
137 to 128
97.69477799 - 97.17648701
127 to 118
97.13841571 - 96.41990133
117 to 108
96.35511496 - 95.49744019
107 to 98
95.42678954 - 94.40128456
97 to 88
94.19473145 - 92.74709113
87 to 78
92.61891464 - 90.64227869
77 to 68
90.42902355 - 87.34180397
67 to 58
87.34180397 - 82.68016383
57 to 48
81.92571907 - 75.39020758
47 to 38
74.13450619 - 64.11300382
37 to 28
62.88839244 - 49.28762915
27 to 18
49.01228707 - 33.08815042
17 to 1
31.32570046 - 9.077538863

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