Answer:
9.29%
Step-by-step explanation:
Utility patents in 2006 is
174841
In 2007,the value decreased to 158584
Decrease = 174841 - 158584
= 16257
Percentage decrease Is
= decrease/value in 2006 x 100%
That Is
16257/174841 x 100%
0.0929 x 100%
9.29 %
Therefore, there was a 9.29% decrease in the number of utility patents between 2006 and 2007