For example, a class of 47 students, a final exam, 23 students got the word "excellent". Then the excellent rate is 48.94%. How do you say this "48.94%"? The following calculation steps: 1, the number of students who get the word "excellent" is divided by the number of classes to get the quotient. 23/47 =0.4894 2. Multiply the obtained quotient by 100 to get the product number. 0.4894 * 100 = 48.94 3. When% is added to the product, the excellent and good rate is .48.94%.