-13.79% is the change from 928 to 800
Calculation steps:
[( 800 - 928 ) ÷ 928] x 100 = -13.79%
Formula
Percentage change = [(800 - 928) / 928] x 100
Subtract the new number by the original number
800 - 928 = -128
-128 ÷ 928 = -0.13793103448275862
-0.13793103448275862 x 100 = -13.79%