-8.31% is the change from 891 to 817
Calculation steps:
[( 817 - 891 ) ÷ 891] x 100 = -8.31%
Formula
Percentage change = [(817 - 891) / 891] x 100
Subtract the new number by the original number
817 - 891 = -74
-74 ÷ 891 = -0.08305274971941638
-0.08305274971941638 x 100 = -8.31%