75%. You can always check your percentage by dividing the score you got and the score that the test was a total of. You got 9 right, but there were 12 answers. You got 3 wrong, doesn't matter about that 3. Just divide 9 and 12 and you'll get .75 on a calculator. Move the decimal two times and it's 75%
It is 75%. To find percentage, divide the top number by the bottom number to get a decimal. Then, move the decimal twice to the right to make it a decimal. Also, 9 of 12 is equal to three-fourths (75%).