81/84 as a percentage is 96.43%. This fraction is very close to a whole, which is why the percentage is just a little under 100. When you see 96.43%, you know the value is almost complete.
The fraction 81/84 can be simplified to 27/28, showing that it represents a large part of a whole. In everyday terms, this might be like having 81 out of 84 pieces of a puzzle completed.
Because the percentage is high, any small missing part is hardly noticeable. This makes 96.43% a useful figure when you want to show something is nearly finished or almost perfect.
