-27.92% is the change from 831 to 599
Calculation steps:
[( 599 - 831 ) ÷ 831] x 100 = -27.92%
Formula
Percentage change = [(599 - 831) / 831] x 100
Subtract the new number by the original number
599 - 831 = -232
-232 ÷ 831 = -0.27918170878459686
-0.27918170878459686 x 100 = -27.92%