-27.44% is the change from 831 to 603
Calculation steps:
[( 603 - 831 ) ÷ 831] x 100 = -27.44%
Formula
Percentage change = [(603 - 831) / 831] x 100
Subtract the new number by the original number
603 - 831 = -228
-228 ÷ 831 = -0.2743682310469314
-0.2743682310469314 x 100 = -27.44%