-51.72% is the change from 845 to 408
Calculation steps:
[( 408 - 845 ) ÷ 845] x 100 = -51.72%
Formula
Percentage change = [(408 - 845) / 845] x 100
Subtract the new number by the original number
408 - 845 = -437
-437 ÷ 845 = -0.5171597633136095
-0.5171597633136095 x 100 = -51.72%