-8.56% is the change from 911 to 833
Calculation steps:
[( 833 - 911 ) ÷ 911] x 100 = -8.56%
Formula
Percentage change = [(833 - 911) / 911] x 100
Subtract the new number by the original number
833 - 911 = -78
-78 ÷ 911 = -0.08562019758507135
-0.08562019758507135 x 100 = -8.56%