-7.63% is the change from 891 to 823
Calculation steps:
[( 823 - 891 ) ÷ 891] x 100 = -7.63%
Formula
Percentage change = [(823 - 891) / 891] x 100
Subtract the new number by the original number
823 - 891 = -68
-68 ÷ 891 = -0.07631874298540965
-0.07631874298540965 x 100 = -7.63%