Question

Find each percent change. Round to the nearest tenth of a percent. State if it is an increase or decreasefrom 81 to 91

Answer 1

The change from 81 to 91 is

91 - 81 = 10

It is an increase since the difference is positive.

The percentage change is

10/81 * 100

= 12.345679

Rounding to the nearest tenth, it becomes 12.3 %