-3.27% is the change from 887 to 858
Calculation steps:
[( 858 - 887 ) ÷ 887] x 100 = -3.27%
Formula
Percentage change = [(858 - 887) / 887] x 100
Subtract the new number by the original number
858 - 887 = -29
-29 ÷ 887 = -0.03269447576099211
-0.03269447576099211 x 100 = -3.27%