-26.38% is the change from 872 to 642
Calculation steps:
[( 642 - 872 ) ÷ 872] x 100 = -26.38%
Formula
Percentage change = [(642 - 872) / 872] x 100
Subtract the new number by the original number
642 - 872 = -230
-230 ÷ 872 = -0.26376146788990823
-0.26376146788990823 x 100 = -26.38%