-8.08% is the change from 891 to 819
Calculation steps:
[( 819 - 891 ) ÷ 891] x 100 = -8.08%
Formula
Percentage change = [(819 - 891) / 891] x 100
Subtract the new number by the original number
819 - 891 = -72
-72 ÷ 891 = -0.08080808080808081
-0.08080808080808081 x 100 = -8.08%