-32.61% is the change from 828 to 558
Calculation steps:
[( 558 - 828 ) ÷ 828] x 100 = -32.61%
Formula
Percentage change = [(558 - 828) / 828] x 100
Subtract the new number by the original number
558 - 828 = -270
-270 ÷ 828 = -0.32608695652173914
-0.32608695652173914 x 100 = -32.61%