-1.47% is the change from 883 to 870
Calculation steps:
[( 870 - 883 ) ÷ 883] x 100 = -1.47%
Formula
Percentage change = [(870 - 883) / 883] x 100
Subtract the new number by the original number
870 - 883 = -13
-13 ÷ 883 = -0.014722536806342015
-0.014722536806342015 x 100 = -1.47%