-0.45% is the change from 891 to 887
Calculation steps:
[( 887 - 891 ) ÷ 891] x 100 = -0.45%
Formula
Percentage change = [(887 - 891) / 891] x 100
Subtract the new number by the original number
887 - 891 = -4
-4 ÷ 891 = -0.004489337822671156
-0.004489337822671156 x 100 = -0.45%