It allows us to better visualize how much of a whole is being represented also is important for other things such as finance and interest rates.
14%
about 15%
60%
68.7%
60% because the decimal 0.6 uses 1 as its base until, while a percentage uses 100 as the base until, therefore all you need to do to convert a decimal to a percentage is multiply it by 100.
79%
86%
around 77% of the world
Pie chart, cumilative graph
Please to be framing your question in comprehensible English.
75%
Look at this attached link below. There is a lot to explain.