-52.46% is the change from 852 to 405
Calculation steps:
[( 405 - 852 ) ÷ 852] x 100 = -52.46%
Formula
Percentage change = [(405 - 852) / 852] x 100
Subtract the new number by the original number
405 - 852 = -447
-447 ÷ 852 = -0.5246478873239436
-0.5246478873239436 x 100 = -52.46%