The national average cost for gas in the year is 2000 was $1.51 a gallon. Currently, the average for a gallon of gas is $3.57. What is the percentage of change?
To find the percentage of change, we need to calculate the difference between the two prices and divide it by the original price, then multiply by 100.
Change in price = Current price - Original price = $3.57 - $1.51 = $2.06
Percentage of change = (Change in price / Original price) * 100 = ($2.06 / $1.51) * 100 = 136.42%
Therefore, the percentage of change is 136.42%.