How's the home state quota in JEE Mains calculated?

Home State (or HS) quota Under the home state quota, the seats are reserved for candidates based on their state (domicile) of eligibility which is basically the state where they have completed their Class 11th and 12th from.

The JEE Mains scores are used for admission to B.Tech courses in NITs. Around 50% of the seats in all courses are reserved under the home-state quota. To get admission under this quota, the applying students must have completed their 12th grade in the state in which the NIT is located. For instance,

The home state quota in JEE Mains is calculated based on the number of engineering colleges and available seats in the state. The allocation of seats under the home state quota is determined by the state government or the relevant admission authority. The allocation is usually based on the number of