10% baby's
Percentages are percentages - simple! The marketing people have not yet come up with "new improved" percentages.
The percentages of giving birth to five babies (quintuplets) at once are very extreme and low, a study in 2010 in the US said that the chances of giving birth to quintuplets was 0.00092%.
%5 of animals die in circuses
10
Most people work with percentages in one way or another.
How often people die, evidently.
110%
Over 60%
89% I think
58.64%
28%
There are a few different ways you can figure percentages. Most people will usually divide what they have by what would be considered whole and multiply that by 100.