# How to Calculate Percentage in 3 Steps?

Percentages convert ratios to how many times an event is likely to occur out of 100 attempts. Because percentages always measure the successes per 100 outcomes, you can compare results of data sets... Read More »
http://www.ehow.com/how_8335849_calculate-percentage-3-steps.html

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## How to Calculate the Value of a Given Percentage?

A percent equals the part divided by the whole. So, with percentages you are looking at just part of a value. In order to find the value of a given percentage, you need to know the whole number you... Read More »
http://www.ehow.com/how_8380347_calculate-value-given-percentage.html

## How to Calculate a Percentage of a Whole?

A percentage figure represents the number of parts per one hundred a portion amount corresponds to. For example, "75 percent" is another way of saying "75 parts per 100." To calculate a percentage,... Read More »
http://www.ehow.com/how_8165836_calculate-percentage-whole.html

## How to Calculate the Percentage in Bar Graphs?

Bar graphs are one way to visually represent data. A bar graph uses columns of varying sizes to show different amounts of data. However, the bar graph only shows the raw data amounts. For example, ... Read More »
http://www.ehow.com/how_8435864_calculate-percentage-bar-graphs.html

## How to Calculate Percentage Error?

Percentage error is a term used to determine how incorrect a calculation is. It's good to know how to obtain percent error because many reputable scientists use it.
http://www.wikihow.com/Calculate-Percentage-Error

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