34.78% is what you get when you turn the fraction 24/69 into a percentage. This number tells you that 24 out of every 69 parts is about a third of the whole.
The fraction 24/69 can be reduced by dividing both numbers by 3, giving 8/23. Even though it’s a simple fraction, it still represents the same value as the original, and the percentage stays the same.
Knowing the percentage helps when you compare it to other numbers. For example, 34.78% is a little higher than one‑third (which is 33.33%), so 24 is a bit more than a third of 69.