-32.28% is the change from 855 to 579
Calculation steps:
[( 579 - 855 ) ÷ 855] x 100 = -32.28%
Formula
Percentage change = [(579 - 855) / 855] x 100
Subtract the new number by the original number
579 - 855 = -276
-276 ÷ 855 = -0.32280701754385965
-0.32280701754385965 x 100 = -32.28%