-41.43% is the change from 828 to 485
Calculation steps:
[( 485 - 828 ) ÷ 828] x 100 = -41.43%
Formula
Percentage change = [(485 - 828) / 828] x 100
Subtract the new number by the original number
485 - 828 = -343
-343 ÷ 828 = -0.4142512077294686
-0.4142512077294686 x 100 = -41.43%