-5.02% is the change from 877 to 833
Calculation steps:
[( 833 - 877 ) ÷ 877] x 100 = -5.02%
Formula
Percentage change = [(833 - 877) / 877] x 100
Subtract the new number by the original number
833 - 877 = -44
-44 ÷ 877 = -0.05017103762827822
-0.05017103762827822 x 100 = -5.02%