Answer:
140%
Step-by-step explanation:
To find the percentage change, find the difference between the two values and divide it by the original value. This will result in a decimal. To convert to a percentage multiply by 100.
So 24 - 10 = 14 gallon difference
Divide 14/ 10 = 1.4 change.
Multiply by 100, 100*1.4 = 140%.