-30.13% is the change from 624 to 436
Calculation steps:
[( 436 - 624 ) ÷ 624] x 100 = -30.13%
Formula
Percentage change = [(436 - 624) / 624] x 100
Subtract the new number by the original number
436 - 624 = -188
-188 ÷ 624 = -0.30128205128205127
-0.30128205128205127 x 100 = -30.13%