-0.66% is the change from 911 to 905
Calculation steps:
[( 905 - 911 ) ÷ 911] x 100 = -0.66%
Formula
Percentage change = [(905 - 911) / 911] x 100
Subtract the new number by the original number
905 - 911 = -6
-6 ÷ 911 = -0.006586169045005488
-0.006586169045005488 x 100 = -0.66%