-8.8% is the change from 977 to 891
Calculation steps:
[( 891 - 977 ) ÷ 977] x 100 = -8.8%
Formula
Percentage change = [(891 - 977) / 977] x 100
Subtract the new number by the original number
891 - 977 = -86
-86 ÷ 977 = -0.08802456499488229
-0.08802456499488229 x 100 = -8.8%