-93.75% is the change from 624 to 39
Calculation steps:
[( 39 - 624 ) ÷ 624] x 100 = -93.75%
Formula
Percentage change = [(39 - 624) / 624] x 100
Subtract the new number by the original number
39 - 624 = -585
-585 ÷ 624 = -0.9375
-0.9375 x 100 = -93.75%