-42.67% is the change from 696 to 399
Calculation steps:
[( 399 - 696 ) ÷ 696] x 100 = -42.67%
Formula
Percentage change = [(399 - 696) / 696] x 100
Subtract the new number by the original number
399 - 696 = -297
-297 ÷ 696 = -0.4267241379310345
-0.4267241379310345 x 100 = -42.67%