The Table Below Shows Hypothetical Per-Minute Cell Phone Charges for "Pay-And-Talk

Multiple Choice

The table below shows hypothetical per-minute cell phone charges for "pay-and-talk" service over several years.
TABLE 2-2
-Refer to Table 2-2.Assume that 2008 is used as the base year,with the index number = 100.What is the percentage change in the per-minute charge from 2011 to 2012?

A) -28.6%
B) -10.0%
C) -71.4%
D) -25.0%
E) -35.0%