In order to understand the information on this page, it can be helpful to already know:

Outline[]
Percent means "for every 100" and is denoted by the % symbol. The symbol is derived from the diagonal line of a fraction and the two zeros of 100.
In practical terms, a percentage is a multiple of so:
64% is or .
Worked Examples[]
Equivalent values[]
Convert Percent to Fraction[]
Sample question:[]
"Convert 23% to a fraction"
Solution:[]
Remember that percent is the number of hundredths so replace the % symbol with "" then simplify.
Convert Percent to Decimal[]
Sample question:[]
"Convert 23% to a decimal"
Solution:[]
To convert to a decimal, use the decimal equivalent of
Convert Fraction to Percent[]
Sample question:[]
Express as a percent
Solution:[]
First, convert the fraction to have a denominator of 100 then rearrange as a multiple of
Convert Decimal to Percent[]
Sample question:[]
Express 0.458 as a percent
Solution:[]
Start by rearranging to a multiple of 0.01 then continue as you would for a fraction.
Finding a percentage of a value[]
Sample question:[]
What is 23% of $400?
Solution:[]
First, convert the 23% to a fraction or decimal (methods shown earlier) then multiply the result by $400.
Practice[]
You can practice skills in percent using the following references:
Khan Academy[]
Make sure you are logged in to Khan Academy when doing these exercises so your practice is recorded.
 Introduction to percents
 Finding percents of numbers
 Percents from fractions (with diagrams)
 Converting between percents and fractions (without diagrams)
 Converting decimals to percents
 Converting percents to decimals
 Equivalent representations of percent problems
 Relate fractions, decimals, and percents
 Percent word problems
 Percent word problems 2
 Discount, tax, markup, and commission word problems
Application[]
Percentages are often used in financial applications where a proportion calculation is required. These include:
 Discounts (percentage of original price)
 Profit margin (percentage of sale price)
 Tips (percentage of total bill)
 Loan or Deposit interest (percentage of balance)
Next Steps[]
Comfortable with percents? Check out the followon mathematics you can now do:
 Simple interest
 Compound interest
 Probability