-40.22% is the change from 828 to 495
Calculation steps:
[( 495 - 828 ) ÷ 828] x 100 = -40.22%
Formula
Percentage change = [(495 - 828) / 828] x 100
Subtract the new number by the original number
495 - 828 = -333
-333 ÷ 828 = -0.40217391304347827
-0.40217391304347827 x 100 = -40.22%