-5.62% is the change from 872 to 823
Calculation steps:
[( 823 - 872 ) ÷ 872] x 100 = -5.62%
Formula
Percentage change = [(823 - 872) / 872] x 100
Subtract the new number by the original number
823 - 872 = -49
-49 ÷ 872 = -0.05619266055045872
-0.05619266055045872 x 100 = -5.62%