-29.97% is the change from 891 to 624
Calculation steps:
[( 624 - 891 ) ÷ 891] x 100 = -29.97%
Formula
Percentage change = [(624 - 891) / 891] x 100
Subtract the new number by the original number
624 - 891 = -267
-267 ÷ 891 = -0.2996632996632997
-0.2996632996632997 x 100 = -29.97%