Question 1200607
worker makes 21,000 a year.
the new salary is 52,000 a year.
the increase is 52,000 minus 21,000 = 31,000
divide this increase by the old salary to find that the increase is equal to 1.476190476 times the old salary.
multiply that by 100 and round to 1 decimal point to get an increase of 147.6%.