-1.95% is the change from 872 to 855
Calculation steps:
[( 855 - 872 ) ÷ 872] x 100 = -1.95%
Formula
Percentage change = [(855 - 872) / 872] x 100
Subtract the new number by the original number
855 - 872 = -17
-17 ÷ 872 = -0.0194954128440367
-0.0194954128440367 x 100 = -1.95%