-9.35% is the change from 930 to 843
Calculation steps:
[( 843 - 930 ) ÷ 930] x 100 = -9.35%
Formula
Percentage change = [(843 - 930) / 930] x 100
Subtract the new number by the original number
843 - 930 = -87
-87 ÷ 930 = -0.0935483870967742
-0.0935483870967742 x 100 = -9.35%