Answer:
11.7647059 % gain
Step-by-step explanation:
To find the gain, take the new amount and subtract the original amount
9500-8500 = 1000
Divide by the original amount
1000/8500=.117647059
Multiply by 100% to get in percent form
11.7647059 % gain
or 
Step-by-step Explanation :
As the given fraction is an improper fraction, it is hard to divide properly. Either :
☆ You can write what it is given as per question for the answer.
☆ Else, by dividing, we will get a huge value. In this case, we get it as 
To simplify begin by distributing the multiplication outside the parenthesis:
Sorry it took so long, here is your answer: