39.53% is the change from 688 to 960
Calculation steps:
[( 960 - 688 ) ÷ 688] x 100 = 39.53%
Formula
Percentage change = [(960 - 688) / 688] x 100
Subtract the new number by the original number
960 - 688 = 272
272 ÷ 688 = 0.3953488372093023
0.3953488372093023 x 100 = 39.53%