Find what percent of X is Y. Continuing the example divide 8000 the difference between your incomes by 37000 which is the original value. To find the final amount.
How to use the other formula for percentage on the right.
The answer is 0216. Then consider the percent rate of increase or decrease To find the increase or decrease multiply the rate by the original amount x. X 03 x 420. The number after is is always the part.