-51.83% is the change from 845 to 407
Calculation steps:
[( 407 - 845 ) ÷ 845] x 100 = -51.83%
Formula
Percentage change = [(407 - 845) / 845] x 100
Subtract the new number by the original number
407 - 845 = -438
-438 ÷ 845 = -0.5183431952662721
-0.5183431952662721 x 100 = -51.83%