-52.61% is the change from 844 to 400
Calculation steps:
[( 400 - 844 ) ÷ 844] x 100 = -52.61%
Formula
Percentage change = [(400 - 844) / 844] x 100
Subtract the new number by the original number
400 - 844 = -444
-444 ÷ 844 = -0.5260663507109005
-0.5260663507109005 x 100 = -52.61%