26.16% is the change from 688 to 868
Calculation steps:
[( 868 - 688 ) ÷ 688] x 100 = 26.16%
Formula
Percentage change = [(868 - 688) / 688] x 100
Subtract the new number by the original number
868 - 688 = 180
180 ÷ 688 = 0.2616279069767442
0.2616279069767442 x 100 = 26.16%