-25.09% is the change from 833 to 624
Calculation steps:
[( 624 - 833 ) ÷ 833] x 100 = -25.09%
Formula
Percentage change = [(624 - 833) / 833] x 100
Subtract the new number by the original number
624 - 833 = -209
-209 ÷ 833 = -0.25090036014405764
-0.25090036014405764 x 100 = -25.09%