Both Uses

revert
in
Freakonomics
(Auto-generated)

It's especially interesting to note that by the two wrestlers' second subsequent meeting, the win percentages revert to the expected level of about 50 percent, suggesting that the collusion spans only two matches.†
p. 41.8
Sudhir Venkatesh—his boyhood friends called him Sid, but he has since reverted to Sudhir—was born in India, raised in the suburbs of upstate New York and southern California, and graduated from the University of California at San Diego with a degree in mathematics.†
p. 89.9 *

Definitions:

(1) (revert as in: revert to childish ways)
go back to a previous state
(2) (meaning too rare to warrant focus)
Revert or reversion can also have a specialized meaning in the law with regard to property. Archaically, it can refer to physically turning away from something. In Indian English, it can mean to reply.