If there are 28 students and 16 of them are male, there are 12 femaleTo determine the percentage, divide the smaller number to the bigger number (or total amount):12 / 28= 0.42857Multiply the answer by 1000.42857 x 100= 42.857 or 42.86Or simply move the decimal point twice to the right 0.42857= 42.857 or 42.86