If this is your table

and you want to find the marginal relative frequency of the number of people who used private vehicle as a means of transport you divide

  \frac{2647}{3198} \approx 0.8277 = 0.83 (after rounding off to the nearest hundredths) = 83%

So 83%  used private vehicle as a means of transportation.

Similarly, to find the marginal relative frequency of the people who used public transportation as a means of transport you divide

\frac{329}{3198} \approx 0.1028 = 0.1 (after rounding off to the nearest hundredths) = 10%

So, 10% used public transportation as a means of transport.

Similarly the marginal relative frequency of the people who used other means of transport were

\frac{222}{3198} \approx 0.0694 = 0.07 (after rounding off to the nearest hundredths) = 7%

So, 7% used other modes of transportation.

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I found an answer from www.quora.com

How much should one earn to afford a Tesla model 3? - Quora

That's like judging the size of an iceberg by what's visible above water level. A better way to look at affordability is total cost of ownership. Continue Reading.

For more information, see How much should one earn to afford a Tesla model 3? - Quora

I found an answer from large.stanford.edu

2016 PUBLIC TRANSPORTATION FACT BOOK

Table 37: Commuter Rail and Hybrid Rail Agencies ... publications, and a discussion of the methodology used to estimate Fact Book data may be found at the ...

For more information, see 2016 PUBLIC TRANSPORTATION FACT BOOK