Sunny Deol 5 successes. Gadar (ATBB), Farz (Avg), Apne (Avg), Indian (Hit) & Yamla Pagla Deewana (Hit).
5 successes out of 28 releases won't be 32%. It'll be around 18%.
Similarly Sanjay Dutt has 12 successes out of 54 releases. Comes around 22%.
Anil Kapoor has 6 successes out of 27 releases which would be around 22%.
Govinda has 4 successes out of 32 releases which would be around 12.5%.