Question

the sale of KIDZ sneakers rice from $1.5 billion to $2.8 billion.find the percent of increase.Round to the nearest tenths of a percent where necessary.

Answer 1

First: work out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number - New Number

Then: divide the decrease by the original number and multiply the answer by 100.  

% Decrease = Decrease ÷ Original Number × 100

If your answer is a negative number then this is a percentage increase.

Thus, the answer is a 86.7% (rounded) increase.