-10.78% is the change from 696 to 621
Calculation steps:
[( 621 - 696 ) ÷ 696] x 100 = -10.78%
Formula
Percentage change = [(621 - 696) / 696] x 100
Subtract the new number by the original number
621 - 696 = -75
-75 ÷ 696 = -0.10775862068965517
-0.10775862068965517 x 100 = -10.78%