-51.33% is the change from 828 to 403
Calculation steps:
[( 403 - 828 ) ÷ 828] x 100 = -51.33%
Formula
Percentage change = [(403 - 828) / 828] x 100
Subtract the new number by the original number
403 - 828 = -425
-425 ÷ 828 = -0.5132850241545893
-0.5132850241545893 x 100 = -51.33%