-27.68% is the change from 607 to 439
Calculation steps:
[( 439 - 607 ) ÷ 607] x 100 = -27.68%
Formula
Percentage change = [(439 - 607) / 607] x 100
Subtract the new number by the original number
439 - 607 = -168
-168 ÷ 607 = -0.27677100494233936
-0.27677100494233936 x 100 = -27.68%