In this KS2 Maths article you’ll learn techniques for converting between ratios, fractions and percentages. We also have a KS2 Maths quiz and lots of examples.

Students can examine ratios of residents to representatives for all 50 states. iofoto via Getty Images The “spread” of a set of numbers tells how much the numbers are different from the center.

How to Do Proportions on Excel. ... Click the cell containing the proportion and click the "Percent" icon from the Home tab's Number group to format the proportion as a percentage.

The debt-to-GDP ratio measures the proportion of a country's national debt to its gross domestic product. The higher the ratio, the higher the country's risk of default.