This Year 9 math revision resource helps students visually connect statistical graphs with percentage changes. Designed for end-of-year revision, it bridges the gap between calculating data and understanding its real-world impact.Key Topics Covered:Percentage changeReverse percentageCompound interestLine graphsDual bar chartsGraphs and charts display changes visually,making trends and patterns easy to see at a glance. Percentages express those same changes numerically, giving us precise measurem