-21.22% is the change from 872 to 687
Calculation steps:
[( 687 - 872 ) ÷ 872] x 100 = -21.22%
Formula
Percentage change = [(687 - 872) / 872] x 100
Subtract the new number by the original number
687 - 872 = -185
-185 ÷ 872 = -0.2121559633027523
-0.2121559633027523 x 100 = -21.22%