Light yellow paper (Green Read paper), reduces light reflection into your eyesLearning ObjectivesFind an amount after a repeated percentage change, including compound interestFind an original amount after a percentage increase or decreaseSolve real-life problems involving percentagesBasic PrinciplesTo calculate X as a percentage; (X/Y)*100To calculate X percent of Y; (X/100)*YThe (X/100) part of the last expression is the multiplying factor.5% of quantity can be found by using a multiplying fa