Value in Use and Value in Exchange measure the value of a particular outcome of an "experiment."

Both of them are equal to:
The expected value of the action you would chose with the new information minus The expected value of the action you would have chosen without the new information

Value in Use is:
The posterior expected value of the action you would chose with the new information minus The posterior expected value of the action you would have chosen without the new information

Value in Exchange is
The posterior expected value of the action you would chose with the new information minus The prior expected value of the action you would have chosen without the new information

Value in Exchange is negative for bad news, positive for good news
Value in Use is never negative;

it is zero for news that doesn't change your action, positive for news that does.