-11.51% is the change from 930 to 823
Calculation steps:
[( 823 - 930 ) ÷ 930] x 100 = -11.51%
Formula
Percentage change = [(823 - 930) / 930] x 100
Subtract the new number by the original number
823 - 930 = -107
-107 ÷ 930 = -0.11505376344086021
-0.11505376344086021 x 100 = -11.51%