percentage difference add column

PHOTO

Sat Jan 15 2022 22:09:19 GMT+0000 (Coordinated Universal Time)

percentagechange = [0.547,-1.83,-2.98,-5.79,1.54,7.67,-2.77,-0.622,0.268,-4.21]
GDP_merged['Percentage Change(%)'] = percentagechange
GDP_merged