-96.15% is the change from 624 to 24
Calculation steps:
[( 24 - 624 ) ÷ 624] x 100 = -96.15%
Formula
Percentage change = [(24 - 624) / 624] x 100
Subtract the new number by the original number
24 - 624 = -600
-600 ÷ 624 = -0.9615384615384616
-0.9615384615384616 x 100 = -96.15%