Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
In 2011, the IRS increased the deductible mileage cost to `87.1` cents from `45.5` cents. Find the percent change.
Round to the nearest tenth of a percent.
%
Enter DNE for Does Not Exist, oo for Infinity 91.4