-61.54% is the change from 624 to 240
Calculation steps:
[( 240 - 624 ) ÷ 624] x 100 = -61.54%
Formula
Percentage change = [(240 - 624) / 624] x 100
Subtract the new number by the original number
240 - 624 = -384
-384 ÷ 624 = -0.6153846153846154
-0.6153846153846154 x 100 = -61.54%