-26.26% is the change from 872 to 643
Calculation steps:
[( 643 - 872 ) ÷ 872] x 100 = -26.26%
Formula
Percentage change = [(643 - 872) / 872] x 100
Subtract the new number by the original number
643 - 872 = -229
-229 ÷ 872 = -0.2626146788990826
-0.2626146788990826 x 100 = -26.26%