-7.85% is the change from 905 to 834
Calculation steps:
[( 834 - 905 ) ÷ 905] x 100 = -7.85%
Formula
Percentage change = [(834 - 905) / 905] x 100
Subtract the new number by the original number
834 - 905 = -71
-71 ÷ 905 = -0.07845303867403315
-0.07845303867403315 x 100 = -7.85%