Q:
# How Do I Convert a Test Score to a Percentage?

The easiest way to convert a test score to a percentage is to first divide the number of correct answers by the number of total questions. Then, multiplying this ratio by 100 percent gives the percentage score.

Continue Reading
Credit:
BarA Muratolou
E+
Getty Images

For example, if there are 25 questions on a test and a student gets 22 of them correct, then the test score percentage is (22/25) * 100 = 88 percent. If the number of questions the student answered correctly is not known, but the number answered incorrectly is known, an alternative method of calculation is ((total questions - number wrong) / total questions) * 100 percent. In the example above, the student would have gotten three questions incorrect; therefore, the test score percentage is calculated as ((25 - 3) / 25) * 100 = 88 percent.

Learn more about Fractions & Percentages-
Q:
## How Do You Add a Percentage to a Number?

A: To add a percentage to a number, change the percentage to a decimal value, and add one to the value. Multiply the number by the result. Full Answer >Filed Under: -
Q:
## How Do You Convert a Percentage to a Ratio?

A: To convert a percentage to a ratio, write out the percentage number as a fraction, reduce the fraction to its simplest form and convert the new fraction to... Full Answer >Filed Under: -
Q:
## How Do You Work Out the Percentage of Something?

A: To calculate percentage, divide the number that is to be expressed as a percentage by the total or whole. The resulting number is then multiplied by 100 to... Full Answer >Filed Under: -
Q:
## How Do I Calculate the Percentage of a Sum?

A: To find the percentage of a number, multiply the number by the percentage fraction. A percentage is a proportion between two quantities expressed in hundre... Full Answer >Filed Under: