783.51% is the change from 97 to 857
Calculation steps:
[( 857 - 97 ) ÷ 97] x 100 = 783.51%
Formula
Percentage change = [(857 - 97) / 97] x 100
Subtract the new number by the original number
857 - 97 = 760
760 ÷ 97 = 7.835051546391752
7.835051546391752 x 100 = 783.51%