Presidential Authority

IS it true that the president is so powerful? If we look closely at the 1945 Constitution from the first to the fourth amendment (1999-2002), one can see that the power of the president has decreased compared to the 1945 Constitution before the amendments.

Reflecting on the experience of the authoritarian New Order (1966-1998), one of the main agendas of the 1998 Reformasi era was to amend the 1945 Constitution