-1.36% is the change from 882 to 870
Calculation steps:
[( 870 - 882 ) ÷ 882] x 100 = -1.36%
Formula
Percentage change = [(870 - 882) / 882] x 100
Subtract the new number by the original number
870 - 882 = -12
-12 ÷ 882 = -0.013605442176870748
-0.013605442176870748 x 100 = -1.36%