How many more students decided to opt for a job in Mumbai in 1999 than in 1997?
Number of students who took a job in Mumbai in 1997= 18% of 95% of 76% of 27500= 3570
Number who took it up in 1999= 25% of 90% of 79% of 28200= 5010.
About 1440 million more students took up a job in Mumbai in 99 compared to 97