-25% is the change from 832 to 624
Calculation steps:
[( 624 - 832 ) ÷ 832] x 100 = -25%
Formula
Percentage change = [(624 - 832) / 832] x 100
Subtract the new number by the original number
624 - 832 = -208
-208 ÷ 832 = -0.25
-0.25 x 100 = -25%
Example