What is what percent is 27 out of 30?

To find out what percentage 27 is out of 30, you can use the formula:

[ \text{Percent} = \left( \frac{27}{30} \right) \times 100 ]

Calculating the above equation, we get:

[ \left( \frac{27}{30} \right) \times 100 = 0.9 \times 100 = 90% ]

Therefore, 27 is 90% of 30.