According to the line graph,Percentage increase in the production in 2016 =
(628−600)
600
×100=4.66% Percentage increase in the production in 2017 =
(750−628)
628
×100=19.43% Percentage decrease in the production in 2018 =
(750−500)
750
×100=33.33% Percentage increase in the production of 2019 =
570−500
500
×100 =14% Hence, the percentage of maximum increase or reduction in the production is 33.33% reduction in 2018. ∴ It is maximum percentage decrease of 33.33%.