So 40 would be 40 divided by 100 or40. Work out the difference between the two numbers being compared. To calculate the percentage of an amount we convert the percentage to a decimal or fraction and then multiply this by the amount.
Next Multipliers Textbook Exercise.
105 35 03 See our division page for instruction and examples of division Finally to get the percentage we multiply the answer by 100. Percentage Increase and Decrease Free resources for teachers and students to hopefully make the teaching and learning of mathematics a wee bit easier and more fun. So 03 03 100 30. To calculate the percentage of an amount we convert the percentage to a decimal or fraction and then multiply this by the amount.