-49.81% is the change from 799 to 401
Calculation steps:
[( 401 - 799 ) ÷ 799] x 100 = -49.81%
Formula
Percentage change = [(401 - 799) / 799] x 100
Subtract the new number by the original number
401 - 799 = -398
-398 ÷ 799 = -0.4981226533166458
-0.4981226533166458 x 100 = -49.81%