-13.7% is the change from 934 to 806
Calculation steps:
[( 806 - 934 ) ÷ 934] x 100 = -13.7%
Formula
Percentage change = [(806 - 934) / 934] x 100
Subtract the new number by the original number
806 - 934 = -128
-128 ÷ 934 = -0.13704496788008566
-0.13704496788008566 x 100 = -13.7%