-3.6% is the change from 888 to 856
Calculation steps:
[( 856 - 888 ) ÷ 888] x 100 = -3.6%
Formula
Percentage change = [(856 - 888) / 888] x 100
Subtract the new number by the original number
856 - 888 = -32
-32 ÷ 888 = -0.036036036036036036
-0.036036036036036036 x 100 = -3.6%