39.88% is the change from 687 to 961
Calculation steps:
[( 961 - 687 ) ÷ 687] x 100 = 39.88%
Formula
Percentage change = [(961 - 687) / 687] x 100
Subtract the new number by the original number
961 - 687 = 274
274 ÷ 687 = 0.3988355167394469
0.3988355167394469 x 100 = 39.88%