Which of the following scenarios represents the smallest percent change?

A baby that weighed 64 pounds at birth
now weighs 8 pounds.
*

A painting that was originally purchased
for $650 now has a value of $875.

The sale price of a new computer is $599.
It was originally priced for $700.

After 3 months of working out, a woman
that previously weighed 163 pounds now
weighs 150 pounds.