The cut-off for NIT WARANGAL can be found from :

https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-warangal

However, if you want to deal with percentile, you can simply use the formula for converting rank to percentile-

The formula to calculate JEE Main 2019 Rank from Percentile Score is:

Rank = ((100 – P)/100)*N + 1

Where, P = NTA percentile

N = Total Number of Students who appeared in JEE = 9.65 (as per reports)