-4.31% is the change from 928 to 888
Calculation steps:
[( 888 - 928 ) ÷ 928] x 100 = -4.31%
Formula
Percentage change = [(888 - 928) / 928] x 100
Subtract the new number by the original number
888 - 928 = -40
-40 ÷ 928 = -0.04310344827586207
-0.04310344827586207 x 100 = -4.31%