The line chart given below shoes the number of girls in 7 schools

Number of girls in S1 is how much percent less than the number of girls in S2 ?
Answer & explanation
Correct answer: option 1
Difference in number of girls in S1 to S2 = 100 - 400 = 600
Required percentage = \(\frac{600}{1000}\) × 100 = 60%