-29.65% is the change from 624 to 439
Calculation steps:
[( 439 - 624 ) ÷ 624] x 100 = -29.65%
Formula
Percentage change = [(439 - 624) / 624] x 100
Subtract the new number by the original number
439 - 624 = -185
-185 ÷ 624 = -0.296474358974359
-0.296474358974359 x 100 = -29.65%