673.39% is the change from 109 to 843
Calculation steps:
[( 843 - 109 ) ÷ 109] x 100 = 673.39%
Formula
Percentage change = [(843 - 109) / 109] x 100
Subtract the new number by the original number
843 - 109 = 734
734 ÷ 109 = 6.73394495412844
6.73394495412844 x 100 = 673.39%