-48.07% is the change from 828 to 430
Calculation steps:
[( 430 - 828 ) ÷ 828] x 100 = -48.07%
Formula
Percentage change = [(430 - 828) / 828] x 100
Subtract the new number by the original number
430 - 828 = -398
-398 ÷ 828 = -0.4806763285024155
-0.4806763285024155 x 100 = -48.07%