Calculating Percentage Change

Niko scored 60 marks for English paper in the mid-year examination. Her score increased by 15% in the end-of-year examination. How many marks did Niko score in the end-of-year English examination paper?

• 9

• 51

• 66

• 69

Hee Kian had $5200 in his savings account. He withdrew some money and his savings decreased by 28%. How much amount did Hee Kian have left?

A year ago, Mariana was 144 cm tall. That was 90% of her current height. How tall is Mariana now?

Mrs Divya sold 36% of the cookies she baked. She had 96 cookies left. How many cookies did she bake?

• 10%

• 30%

• 90%

• 300%

• 12.5%

• 14.2%

• 14.3%

• 3%

Ridwan collected 27 more stamps this week. The increase was 3% of the number of stamps in his stamp collection last week. How many stamps does he have now?

(Hint: He had 100% originally. Now he has 3% more)