-1.27% is the change from 867 to 856
Calculation steps:
[( 856 - 867 ) ÷ 867] x 100 = -1.27%
Formula
Percentage change = [(856 - 867) / 867] x 100
Subtract the new number by the original number
856 - 867 = -11
-11 ÷ 867 = -0.012687427912341407
-0.012687427912341407 x 100 = -1.27%