Weight of Celeb's puppy in last visit = 600 grams
Current weight of the puppy = 2250 grams
Difference in the previous and current weight = 2250 - 600 = 1650 grams
The formula to calculate the percentage difference is:
(Difference in the values / Original Value) x 100%
Using the values, we get:
Percentage Difference =

x 100% = 275%
Thus, the weight of Celeb's puppy increased by 275% since his last visit to the Veteran's Office