-48.88% is the change from 624 to 319
Calculation steps:
[( 319 - 624 ) ÷ 624] x 100 = -48.88%
Formula
Percentage change = [(319 - 624) / 624] x 100
Subtract the new number by the original number
319 - 624 = -305
-305 ÷ 624 = -0.48878205128205127
-0.48878205128205127 x 100 = -48.88%