What is 16 as a percentage of 20?

What is 70 as a percentage of 50?

(Tip: it's more than 100%)

Express 3.5 kg as a percentage of 5 kg

David scores 26/40 in a maths test. 

What is his score as a percentage?

Express 44 g as a percentage of 120 g

(Give your answer to 1 decimal place)

A doctor has 15,000 patients. 6,900 of these patients are overweight.

What percentage of these patients are not overweight?

Sophie invited 120 people to an engagement party. 78 of the people invited came to the party. 

What percentage of the people invited actually came to the party?

Express 210 as a percentage of 150