-1.58% is the change from 884 to 870
Calculation steps:
[( 870 - 884 ) ÷ 884] x 100 = -1.58%
Formula
Percentage change = [(870 - 884) / 884] x 100
Subtract the new number by the original number
870 - 884 = -14
-14 ÷ 884 = -0.01583710407239819
-0.01583710407239819 x 100 = -1.58%