-0.92% is the change from 870 to 862
Calculation steps:
[( 862 - 870 ) ÷ 870] x 100 = -0.92%
Formula
Percentage change = [(862 - 870) / 870] x 100
Subtract the new number by the original number
862 - 870 = -8
-8 ÷ 870 = -0.009195402298850575
-0.009195402298850575 x 100 = -0.92%