How to calculate the comprehensive scores of art students in Nanyang Institute of Technology?

In the provinces that implement the "non-parallel volunteer" admission mode for art majors, they are admitted according to the rules of "voluntary and professional": art majors and music majors are selected according to their professional achievements from high to low; Broadcasting and directing majors are selected according to "ranking score = (cultural achievement ÷ total cultural achievement) ×50+ (professional achievement ÷ total professional achievement) ×50". In the provinces that implement the "parallel volunteer" admission mode for art majors, according to the comprehensive score calculation rules of the provinces where students come from, the scores are divided into sorted scores, and admission is made according to the "score priority" rule.