-33.09% is the change from 828 to 554
Calculation steps:
[( 554 - 828 ) ÷ 828] x 100 = -33.09%
Formula
Percentage change = [(554 - 828) / 828] x 100
Subtract the new number by the original number
554 - 828 = -274
-274 ÷ 828 = -0.3309178743961353
-0.3309178743961353 x 100 = -33.09%