-46.09% is the change from 844 to 455
Calculation steps:
[( 455 - 844 ) ÷ 844] x 100 = -46.09%
Formula
Percentage change = [(455 - 844) / 844] x 100
Subtract the new number by the original number
455 - 844 = -389
-389 ÷ 844 = -0.4609004739336493
-0.4609004739336493 x 100 = -46.09%