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how to work out percentages gcse maths. Most calculations involving percentages involve using the percent in its decimal form. Videos worksheets 5-a-day and much more.
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If you have a new price and an old price you need to know how to work out what the percentage change is. Because Percent means per 100 think. 9 means 9 out of every 100 or frac 9 100.
Percentage Increases and Interest.
Percentages are used in everyday life for example calculating discounts during sales and interest rates at banks. So 03 03 100 30. Because Percent means per 100 think. As you probably know percents are a special kind of decimal.
