39.39% is the change from 688 to 959
Calculation steps:
[( 959 - 688 ) ÷ 688] x 100 = 39.39%
Formula
Percentage change = [(959 - 688) / 688] x 100
Subtract the new number by the original number
959 - 688 = 271
271 ÷ 688 = 0.3938953488372093
0.3938953488372093 x 100 = 39.39%