-3.46% is the change from 838 to 809
Calculation steps:
[( 809 - 838 ) ÷ 838] x 100 = -3.46%
Formula
Percentage change = [(809 - 838) / 838] x 100
Subtract the new number by the original number
809 - 838 = -29
-29 ÷ 838 = -0.034606205250596656
-0.034606205250596656 x 100 = -3.46%