25.58% is the change from 688 to 864
Calculation steps:
[( 864 - 688 ) ÷ 688] x 100 = 25.58%
Formula
Percentage change = [(864 - 688) / 688] x 100
Subtract the new number by the original number
864 - 688 = 176
176 ÷ 688 = 0.2558139534883721
0.2558139534883721 x 100 = 25.58%