27/99 as a percentage is 27.27%. This number shows how much of a whole the fraction represents when you think in terms of hundredths.
The fraction can be reduced to 3/11, but the percentage stays the same. Seeing it as a percent makes it easier to compare with other values that are already in percent form.
In everyday situations, you might use this percent when measuring parts of a whole, like a portion of a budget or a slice of a pie chart. It gives a quick visual sense of size.
Remember, rounding to two decimal places keeps the figure clear and simple for most uses.