18/79 expressed as a percentage is 22.78%. This value tells you how much of a whole 18 parts would be if the whole were divided into 79 equal pieces.
Seeing the number as a percent makes it easier to compare with everyday figures, like a 25% discount or a 20% tip. At 22.78%, the fraction is a little under a quarter of the whole.
The percentage is rounded to two decimal places, so the exact value is a bit more precise than the simple fraction suggests, but for most practical uses 22.78% is clear and convenient.
