-7.65% is the change from 928 to 857
Calculation steps:
[( 857 - 928 ) ÷ 928] x 100 = -7.65%
Formula
Percentage change = [(857 - 928) / 928] x 100
Subtract the new number by the original number
857 - 928 = -71
-71 ÷ 928 = -0.07650862068965517
-0.07650862068965517 x 100 = -7.65%