-35.8% is the change from 972 to 624
Calculation steps:
[( 624 - 972 ) ÷ 972] x 100 = -35.8%
Formula
Percentage change = [(624 - 972) / 972] x 100
Subtract the new number by the original number
624 - 972 = -348
-348 ÷ 972 = -0.35802469135802467
-0.35802469135802467 x 100 = -35.8%