Equations with a number in brackets that is less then one is a decaying function.
Y=200(0.5)2t Decay
Y=12(2.5)t6 Growth
Y=(0.65)t4 decay
Hope this helps!
The answer is D or the fourth choice, 12
Divide 25.7 by 141.

Now, multiply that with 100 percent to get the percentage.

18.22% is your answer! If the question wants you to round it to the nearest percent, the answer will be 18%.