-52.11% is the change from 854 to 409
Calculation steps:
[( 409 - 854 ) ÷ 854] x 100 = -52.11%
Formula
Percentage change = [(409 - 854) / 854] x 100
Subtract the new number by the original number
409 - 854 = -445
-445 ÷ 854 = -0.5210772833723654
-0.5210772833723654 x 100 = -52.11%