8.21% is the change from 792 to 857
Calculation steps:
[( 857 - 792 ) ÷ 792] x 100 = 8.21%
Formula
Percentage change = [(857 - 792) / 792] x 100
Subtract the new number by the original number
857 - 792 = 65
65 ÷ 792 = 0.08207070707070707
0.08207070707070707 x 100 = 8.21%