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Percentage: per hundred

You learn what a percentage is: the whole strip is 100%, and you also write percentages as fractions and decimals.

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How to work it out

  1. See percentage as "out of a hundred": the whole strip is 100%.
  2. When you divide the strip into pieces, you also divide that 100.
  3. From fraction to percentage: divide 100 by the denominator and times by the numerator.
  4. From percentage to decimal: move the decimal point 2 places to the left.
  5. From decimal to percentage: move it 2 places to the right.
410

34 = ? %

  1. The whole strip is 100%.
  2. Divide 100 by 4: one piece is 25%.
  3. Multiply by 3: 3 × 25 = 75.
  4. It is 75%.
34
More examples

25% = ? as a decimal

  1. Divide 25 by 100.
  2. Move the decimal point 2 places to the left: 25 becomes 0.25.
Ratio?
Fraction?
Decimal0,25
Percentage25%

5% = ? as a decimal

  1. Divide 5 by 100.
  2. Move the decimal point 2 places to the left and fill in a 0: 5 becomes 0.05.
Ratio?
Fraction?
Decimal0,05
Percentage5%

0.6 = ?%

  1. Do 0.6 times 100.
  2. Move the decimal point 2 places to the right: 0.6 becomes 60.
  3. It is 60%.