8.28% is the change from 857 to 928
Calculation steps:
[( 928 - 857 ) ÷ 857] x 100 = 8.28%
Formula
Percentage change = [(928 - 857) / 857] x 100
Subtract the new number by the original number
928 - 857 = 71
71 ÷ 857 = 0.08284714119019837
0.08284714119019837 x 100 = 8.28%