-8.45% is the change from 911 to 834
Calculation steps:
[( 834 - 911 ) ÷ 911] x 100 = -8.45%
Formula
Percentage change = [(834 - 911) / 911] x 100
Subtract the new number by the original number
834 - 911 = -77
-77 ÷ 911 = -0.0845225027442371
-0.0845225027442371 x 100 = -8.45%