-28.9% is the change from 872 to 620
Calculation steps:
[( 620 - 872 ) ÷ 872] x 100 = -28.9%
Formula
Percentage change = [(620 - 872) / 872] x 100
Subtract the new number by the original number
620 - 872 = -252
-252 ÷ 872 = -0.2889908256880734
-0.2889908256880734 x 100 = -28.9%