-35.39% is the change from 828 to 535
Calculation steps:
[( 535 - 828 ) ÷ 828] x 100 = -35.39%
Formula
Percentage change = [(535 - 828) / 828] x 100
Subtract the new number by the original number
535 - 828 = -293
-293 ÷ 828 = -0.3538647342995169
-0.3538647342995169 x 100 = -35.39%