The chart is comparing the percentage of four different 
divers
 transportation using Throughout travelling to their jobs in one European city in 3 different years 1960 , 1980 and 2000 , and the percentage is the measurement of the unit.
Correct your spelling
diverse
overall
, travelling by  car was the most used transport vehicle in  the recent year.Linking Words
Moreover
, Linking Words
bus
 were similar in Fix the agreement mistake
buses
usage
 in all years, and travelling by  bike to work was at its lowest  use in the recent century.
Use synonyms
To begin
 with,using cars to travel was significantly high in percentage at almost 39% in 2000 with Linking Words
a 
low Remove the article
apply
usage
 of it in 1960 at slightly above 6%. Use synonyms
In addition
, bikes were the most used transport vehicle in 1960 at approximately 25% Linking Words
while
 using them in 2000 was the lowest Linking Words
usage
 at almost 6%.
In regards to the foot as a way to travel to work, people in 1960 were using it the most and that at slightly before 35% , and in the recent decade was at its lowest by approximately 9%. Use synonyms
Besides
 that, Linking Words
bus
 were almost the same in Fix the agreement mistake
buses
usage
  in 2000 and 1960 at almost 16% and 18% respectively , and using the bus in  1980 was the highest at a little above 25%.Use synonyms