28.49% is the change from 667 to 857
Calculation steps:
[( 857 - 667 ) ÷ 667] x 100 = 28.49%
Formula
Percentage change = [(857 - 667) / 667] x 100
Subtract the new number by the original number
857 - 667 = 190
190 ÷ 667 = 0.2848575712143928
0.2848575712143928 x 100 = 28.49%