-2.9% is the change from 896 to 870
Calculation steps:
[( 870 - 896 ) ÷ 896] x 100 = -2.9%
Formula
Percentage change = [(870 - 896) / 896] x 100
Subtract the new number by the original number
870 - 896 = -26
-26 ÷ 896 = -0.029017857142857144
-0.029017857142857144 x 100 = -2.9%