How much percentage required for this job in 12
You should maintain a minimum marks of 60% throughout your academic career if you want to clear banking. Better score would definitely give you an edge but maintaining 60% in indispensable. Moreover your score in the mains exam and group discussions and interviews in banking exams like SBI clerk or IBPS clerk will together decide your entry as a bank clerk.
Can you please elaborate what job are you asking about.
And the percentage have you scored in 12th standard.
You can mention them in the comments.