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Lesson 5 of 7 · Simple / grouped bar

Percent change

DI: Bar Graphs · for IPMAT Indore, IPMAT Rohtak and JIPMAT · asked in JIPMAT 2024

Worked examples

Example 1Sitter

Boys in a school: 200, 310, 280, 350 in 2010-2013. What is the average?

Formulas you need

Percent change=new−oldold×100\text{Percent change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100

Watch out

  • Wrong base in percent questions (28% vs 21.39% in the subscriber set).

Picked from the Simple / grouped bar note for this micro-concept automatically. The whole note: Simple / grouped bar.