Learn how to convert decimals to percentages with BBC Bitesize Maths. For students between the ages of 11 and 14. ... Slide 1 of 6, Example 1: Zero point four five., Convert 0∙45 to a percentage.

Video summary. In this clip we show that percentages are amounts out of 100, which may simplify to an equivalent fraction. Division by 100 is used to convert percentages to decimals.