Hello, the sectional cut off is necessary for you to qualify further in the admission process. But since the pattern has been changed this year the accurate percentile prediction may not be possible so wait till the official declaration of results, if your sectional cut off varies in a smaller range then you may have a chance in getting qualified.

You can use this percentile predictor based on previous year trends

https://bschool.careers360.com/pathfinder/nmat

For last year cut off kindly refer this link

https://bschool.careers360.com/articles/nmat-cutoff

Best wishes.