-16.8% is the change from 750 to 624
Calculation steps:
[( 624 - 750 ) ÷ 750] x 100 = -16.8%
Formula
Percentage change = [(624 - 750) / 750] x 100
Subtract the new number by the original number
624 - 750 = -126
-126 ÷ 750 = -0.168
-0.168 x 100 = -16.8%