115.09% is the change from 391 to 841
Calculation steps:
[( 841 - 391 ) ÷ 391] x 100 = 115.09%
Formula
Percentage change = [(841 - 391) / 391] x 100
Subtract the new number by the original number
841 - 391 = 450
450 ÷ 391 = 1.1508951406649617
1.1508951406649617 x 100 = 115.09%