-55.29% is the change from 624 to 279
Calculation steps:
[( 279 - 624 ) ÷ 624] x 100 = -55.29%
Formula
Percentage change = [(279 - 624) / 624] x 100
Subtract the new number by the original number
279 - 624 = -345
-345 ÷ 624 = -0.5528846153846154
-0.5528846153846154 x 100 = -55.29%