-43.9% is the change from 697 to 391
Calculation steps:
[( 391 - 697 ) ÷ 697] x 100 = -43.9%
Formula
Percentage change = [(391 - 697) / 697] x 100
Subtract the new number by the original number
391 - 697 = -306
-306 ÷ 697 = -0.43902439024390244
-0.43902439024390244 x 100 = -43.9%