All heaven rejoiced as Jesus embarked on the course that would attain salvation for the lost race. Jesus surely changed the value of the water that day. The most valuable water that could be. Value is determined by what someone is willing to pay to obtain the item in question. If he accepts my offer, that is an indicator that he agrees that this is closer to the true value of the automobile.
Value is the worth of an object to the person who desires it.
We get some idea of our worth when we look at God. God has all the money in the universe, He owns everything. To Him money is no object. He could offer a sack of chicken feed or a scoop of coal. But our God did not choose these.