-32.03% is the change from 918 to 624
Calculation steps:
[( 624 - 918 ) ÷ 918] x 100 = -32.03%
Formula
Percentage change = [(624 - 918) / 918] x 100
Subtract the new number by the original number
624 - 918 = -294
-294 ÷ 918 = -0.3202614379084967
-0.3202614379084967 x 100 = -32.03%