25.29% is the change from 684 to 857
Calculation steps:
[( 857 - 684 ) ÷ 684] x 100 = 25.29%
Formula
Percentage change = [(857 - 684) / 684] x 100
Subtract the new number by the original number
857 - 684 = 173
173 ÷ 684 = 0.25292397660818716
0.25292397660818716 x 100 = 25.29%