-21.17% is the change from 855 to 674
Calculation steps:
[( 674 - 855 ) ÷ 855] x 100 = -21.17%
Formula
Percentage change = [(674 - 855) / 855] x 100
Subtract the new number by the original number
674 - 855 = -181
-181 ÷ 855 = -0.21169590643274855
-0.21169590643274855 x 100 = -21.17%