-88.3% is the change from 624 to 73
Calculation steps:
[( 73 - 624 ) ÷ 624] x 100 = -88.3%
Formula
Percentage change = [(73 - 624) / 624] x 100
Subtract the new number by the original number
73 - 624 = -551
-551 ÷ 624 = -0.8830128205128205
-0.8830128205128205 x 100 = -88.3%