-95.03% is the change from 624 to 31
Calculation steps:
[( 31 - 624 ) ÷ 624] x 100 = -95.03%
Formula
Percentage change = [(31 - 624) / 624] x 100
Subtract the new number by the original number
31 - 624 = -593
-593 ÷ 624 = -0.9503205128205128
-0.9503205128205128 x 100 = -95.03%