-0.87% is the change from 919 to 911
Calculation steps:
[( 911 - 919 ) ÷ 919] x 100 = -0.87%
Formula
Percentage change = [(911 - 919) / 919] x 100
Subtract the new number by the original number
911 - 919 = -8
-8 ÷ 919 = -0.008705114254624592
-0.008705114254624592 x 100 = -0.87%