-0.68% is the change from 439 to 436
Calculation steps:
[( 436 - 439 ) ÷ 439] x 100 = -0.68%
Formula
Percentage change = [(436 - 439) / 439] x 100
Subtract the new number by the original number
436 - 439 = -3
-3 ÷ 439 = -0.00683371298405467
-0.00683371298405467 x 100 = -0.68%