This ACT test prep video and quiz are the same proven concepts and strategies that have been used for more than 15 years to help maximize the test scores of more than 3,000 students in a one-on-one private tutoring setting and countless students online. It is like having a professional private ACT tutor in your classroom! This video covers a concept from the ACT Math section. It talks about how to do percent changes for the Math questions, specifically focusing on how to do simple percent increa