Final answer:
The percentage increase from $378.0 billion to $407.3 billion is 7.75%.
Step-by-step explanation:
The percentage increase from $378.0 billion to $407.3 billion can be calculated by finding the difference between the two values and dividing it by the starting value. The formula for calculating percentage increase is:
Percentage Increase = ((New Value - Old Value) / Old Value) * 100
Using this formula, the percentage increase from $378.0 billion to $407.3 billion is:
Percentage Increase = (($407.3 billion - $378.0 billion) / $378.0 billion) * 100
Calculating this, we get:
Percentage Increase = (29.3 / 378.0) * 100 = 7.75%