-27.78% is the change from 828 to 598
Calculation steps:
[( 598 - 828 ) ÷ 828] x 100 = -27.78%
Formula
Percentage change = [(598 - 828) / 828] x 100
Subtract the new number by the original number
598 - 828 = -230
-230 ÷ 828 = -0.2777777777777778
-0.2777777777777778 x 100 = -27.78%