76/79 as a percentage is 96.20%. This number comes from turning the fraction into a percent and rounding to two decimal places, which makes it easy to compare with other percentages.
The fraction 76/79 is very close to one whole unit. When you think of it on a number line, it sits just a little bit short of 1, which is why the percentage is also just a little under 100 %.
Because the percentage is so high, it shows that 76 out of every 79 parts are included. In everyday language, you could say that about 96 % of the whole is covered by those 76 parts.
Whenever you need a quick sense of size, using the percent 96.20% is more intuitive than the original fraction. It tells you at a glance that the amount is almost complete.