-2.69% is the change from 854 to 831
Calculation steps:
[( 831 - 854 ) ÷ 854] x 100 = -2.69%
Formula
Percentage change = [(831 - 854) / 854] x 100
Subtract the new number by the original number
831 - 854 = -23
-23 ÷ 854 = -0.026932084309133488
-0.026932084309133488 x 100 = -2.69%