24.56% is the change from 688 to 857
Calculation steps:
[( 857 - 688 ) ÷ 688] x 100 = 24.56%
Formula
Percentage change = [(857 - 688) / 688] x 100
Subtract the new number by the original number
857 - 688 = 169
169 ÷ 688 = 0.24563953488372092
0.24563953488372092 x 100 = 24.56%