The percentage difference is usually calculated when you want to know the difference in percentage between two numbers. Microsoft Office Excel is a great tool to help you get started. In this post, we ...

STEP 1 - DRAW TWO BARS: Write out the problem and circle the key information. Here it is the percentage you want to find, 20%, and the weight of the chocolate, 70 g... STEP 2 - MARK % ON LOWER: On the ...

8% of £50 is £4, so to increase £50 by 8%, add the £4 onto the £50, which is £54. Decrease 72 kg by 40%. 40% of 72 kg is 28.8 kg, so to decrease 72 kg by 40%, subtract 28.8 from 72, which is 43.2 kg.