-93.59% is the change from 624 to 40
Calculation steps:
[( 40 - 624 ) ÷ 624] x 100 = -93.59%
Formula
Percentage change = [(40 - 624) / 624] x 100
Subtract the new number by the original number
40 - 624 = -584
-584 ÷ 624 = -0.9358974358974359
-0.9358974358974359 x 100 = -93.59%