-37.41% is the change from 997 to 624
Calculation steps:
[( 624 - 997 ) ÷ 997] x 100 = -37.41%
Formula
Percentage change = [(624 - 997) / 997] x 100
Subtract the new number by the original number
624 - 997 = -373
-373 ÷ 997 = -0.3741223671013039
-0.3741223671013039 x 100 = -37.41%