3rd December 2019

skillsyouneed
17

How do I calculate percentage?

To calculate percentage decrease: First: work out the difference (decrease) between the two numbers you are comparing. Then: divide the decrease by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage increase.

How do you find the percentage of a price?

Procedure:
  1. The rate is usually given as a percent.
  2. To find the discount, multiply the rate by the original price.
  3. To find the sale price, subtract the discount from original price.

How do you use a calculator to find percentages?

To calculate the percentage of the whole number, you need to first turn the percentage into a decimal as already described. Then simply multiply. For example, completing the problem of finding 15% of 100, rewrite the 15% as 0.15. Then just multiply 0.15 x 100, to get the solution of 15.
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