-47.34% is the change from 828 to 436
Calculation steps:
[( 436 - 828 ) ÷ 828] x 100 = -47.34%
Formula
Percentage change = [(436 - 828) / 828] x 100
Subtract the new number by the original number
436 - 828 = -392
-392 ÷ 828 = -0.47342995169082125
-0.47342995169082125 x 100 = -47.34%