668.81% is the change from 109 to 838
Calculation steps:
[( 838 - 109 ) ÷ 109] x 100 = 668.81%
Formula
Percentage change = [(838 - 109) / 109] x 100
Subtract the new number by the original number
838 - 109 = 729
729 ÷ 109 = 6.6880733944954125
6.6880733944954125 x 100 = 668.81%