There are 28 girls in class 5 (1), 2 less than boys. What's the percentage of girls? What's the percentage of boys?

There are 28 girls in class 5 (1), 2 less than boys. What's the percentage of girls? What's the percentage of boys?

Female: 28
Male: 28 + 2 = 30
The number of girls is the number of boys: the number of girls / the number of boys = 28 / 30 = 14 / 15
The number of boys is the number of the whole class: the number of boys / the number of the whole class = 30 / 28 + 30 = 30 / 58 = 15 / 29