-7.74% is the change from 891 to 822
Calculation steps:
[( 822 - 891 ) ÷ 891] x 100 = -7.74%
Formula
Percentage change = [(822 - 891) / 891] x 100
Subtract the new number by the original number
822 - 891 = -69
-69 ÷ 891 = -0.07744107744107744
-0.07744107744107744 x 100 = -7.74%