9.03% is the change from 786 to 857
Calculation steps:
[( 857 - 786 ) ÷ 786] x 100 = 9.03%
Formula
Percentage change = [(857 - 786) / 786] x 100
Subtract the new number by the original number
857 - 786 = 71
71 ÷ 786 = 0.09033078880407125
0.09033078880407125 x 100 = 9.03%