9.73% is the change from 781 to 857
Calculation steps:
[( 857 - 781 ) ÷ 781] x 100 = 9.73%
Formula
Percentage change = [(857 - 781) / 781] x 100
Subtract the new number by the original number
857 - 781 = 76
76 ÷ 781 = 0.0973111395646607
0.0973111395646607 x 100 = 9.73%