-37.02% is the change from 624 to 393
Calculation steps:
[( 393 - 624 ) ÷ 624] x 100 = -37.02%
Formula
Percentage change = [(393 - 624) / 624] x 100
Subtract the new number by the original number
393 - 624 = -231
-231 ÷ 624 = -0.3701923076923077
-0.3701923076923077 x 100 = -37.02%