-25.24% is the change from 828 to 619
Calculation steps:
[( 619 - 828 ) ÷ 828] x 100 = -25.24%
Formula
Percentage change = [(619 - 828) / 828] x 100
Subtract the new number by the original number
619 - 828 = -209
-209 ÷ 828 = -0.2524154589371981
-0.2524154589371981 x 100 = -25.24%