Working out the problem by hand we get. Rules to find the original amount given the result of a percentage increase or decrease First consider the unknown original amount as x. 50000 50000 20 100 50000 50000 02 50000 10000 60000.
It is set to 40 by default.
The key to setting up this type of problem is to think of percent increase as 100 of last years salary plus 5 of last years salary Heres the word equation. Percent Raise New Salary Old Salary Old Salary X 100 Lets use the same example as above. For example if the salary range for a particular position is between 45000 and 75000 the difference between those two figures would be 30000. Enter starting value and final value to find percentage increase.