-31.2% is the change from 907 to 624
Calculation steps:
[( 624 - 907 ) ÷ 907] x 100 = -31.2%
Formula
Percentage change = [(624 - 907) / 907] x 100
Subtract the new number by the original number
624 - 907 = -283
-283 ÷ 907 = -0.31201764057331866
-0.31201764057331866 x 100 = -31.2%