The protest at USyd was one of a number at universities around the country
Wang was excluded from the ballot last Tuesday.
The societies independently organised and funded the event after the USU withdrew support. Additional reporting by Bianca Farmakis.
Former USyd student James Flynn was elected, taking over from Bruce Ross who has held the position since 1991.
Students have few other opportunities to take the Vice-Chancellor to task in person.
The proposed package would also force students to pay back their debt sooner.
Team member Alyssa Glass was also awarded best speaker of the competition.
The results have been delayed in response to concerns about the planned May release date.
The reforms will also allow campaigns to distribute printed materials in languages other than English.
The other 38 universities involved in the study will also be releasing their data.