69.70% is what you get when you turn the fraction 69/99 into a percentage.
The fraction 69/99 can be simplified by dividing both numbers by 3, which gives you 23/33. Even though it’s a bit smaller, the value stays the same, so the percentage doesn’t change.
In everyday life, you might see this kind of number when looking at scores, statistics, or any situation where parts of a whole are measured. Knowing the percentage helps you compare it quickly to other numbers.
If you need to write it down, just use the bolded 69.70% and you’ll have a clear, rounded representation of 69/99.