-7.75% is the change from 929 to 857
Calculation steps:
[( 857 - 929 ) ÷ 929] x 100 = -7.75%
Formula
Percentage change = [(857 - 929) / 929] x 100
Subtract the new number by the original number
857 - 929 = -72
-72 ÷ 929 = -0.077502691065662
-0.077502691065662 x 100 = -7.75%