The term used for a new theory formulated by revising and reorienting Marx's original thinking is Neo-Marxian Theory.
The prefix "Neo-" signifies "new" or "revived". Therefore, Neo-Marxian Theory refers to contemporary developments and adaptations of Marxist concepts and critiques. These theories build upon Marx's foundational work but adapt it to new historical contexts or address perceived shortcomings.
Therefore, formulating a new theory by revising and reorienting Marx's thinking is best described as Neo-Marxian Theory.
Who based his ideas on how to change the world on the scientific analysis of society through history?