Hey Sandeep.

You can use the formula given below to calculate JEE B.Arch Rank by percentile -   

(100- your total percentile score) * 1,45,386/ 100. 

According to your percentile, on applying this formula you can expect a rank around 10,600.

You can use the link which is given below to use the college predictor tool and see your probable chances. Https://engineering.careers360.com/jee-main-architecture-college-predictor