-27.17% is the change from 828 to 603
Calculation steps:
[( 603 - 828 ) ÷ 828] x 100 = -27.17%
Formula
Percentage change = [(603 - 828) / 828] x 100
Subtract the new number by the original number
603 - 828 = -225
-225 ÷ 828 = -0.2717391304347826
-0.2717391304347826 x 100 = -27.17%