-19.74% is the change from 861 to 691
Calculation steps:
[( 691 - 861 ) ÷ 861] x 100 = -19.74%
Formula
Percentage change = [(691 - 861) / 861] x 100
Subtract the new number by the original number
691 - 861 = -170
-170 ÷ 861 = -0.19744483159117304
-0.19744483159117304 x 100 = -19.74%