The charts below show the percentage of volunteers by organisations in 2008 and 2014

The given pie charts illustrate, information about the percentage of volunteers who from six different organisations namely environmental, art, sport, health care, educational and other from 2008 to 2014.
In 2008, 21% of volunteers who from the environmental organisations and it increased by 8% in 2014. 50% of workers related to sports companies in 2008 and in 2014, it rose by one fourth. In health care organisations where volunteers percentage was seven and in 2048 experienced by 8%.
Moving further towards details, that in 2008 in art organisations 80% volunteer related and it dropped out at a 12% in 2014. In educational companies where volunteer worked 24% and 70% respectively in 2008 and 2014. 50% volunteers by other companies in 2008 as well as it used by 6% in 2014.
Overall, it is evident that, the percentage of volunteer increased in environmental, health care, sports and educational organisations whereas, it decreased in art and other related organisations in given years.