-60.39% is the change from 828 to 328
Calculation steps:
[( 328 - 828 ) ÷ 828] x 100 = -60.39%
Formula
Percentage change = [(328 - 828) / 828] x 100
Subtract the new number by the original number
328 - 828 = -500
-500 ÷ 828 = -0.6038647342995169
-0.6038647342995169 x 100 = -60.39%