680.73% is the change from 109 to 851
Calculation steps:
[( 851 - 109 ) ÷ 109] x 100 = 680.73%
Formula
Percentage change = [(851 - 109) / 109] x 100
Subtract the new number by the original number
851 - 109 = 742
742 ÷ 109 = 6.807339449541284
6.807339449541284 x 100 = 680.73%