-0.75% is the change from 930 to 923
Calculation steps:
[( 923 - 930 ) ÷ 930] x 100 = -0.75%
Formula
Percentage change = [(923 - 930) / 930] x 100
Subtract the new number by the original number
923 - 930 = -7
-7 ÷ 930 = -0.007526881720430108
-0.007526881720430108 x 100 = -0.75%