One may thus say, for example,
A percentage may be a number larger than 100; for example, 200% is doubling.
The symbol for percent "%" is a stylised form of the two zeros. (In computing, other names for the character include: ITUT: percent sign; mod; grapes. INTERCAL: doubleohseven.)

Confusion from the use of percentages Because percentages are always relative to the quantity they affect, several common mistakes arise when using then.
Instead, the expression "percentage points" is often used. So, in the previous example, one can say "the interest rate has increased by 10 percentage points".
Owners of dot com stocks came to understand that even if a stock has sunk 99%, it can nevertheless still sink another 99%. Also, if a stock rises by a large percentage, you're still broke if the stock subsequently drops 100%.
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