From the book “Mathematics Structure and Method” Page 293 and 294

Find the percent of increase or decrease from the first number to the second. Round to the nearest tenth if necessary.
8). 8 to 19 12). 240 to 245.5

Find the new number produced when the given number is increased or decreased by the given percent.
16). 250; 63% decrease 18). 260; 105% increase

Find the new number produced when the given number is changed by the first percent, and then the resulting number is changed by the second percent.
24). 480; decrease by 35%; decrease by 65%
26). 136; decrease by 85%; increase by 175%

Find the original number if the given number is the result of increasing or decreasing the original number by the given percent.
30). 30; original number decreased by 85%