-47.31% is the change from 799 to 421
Calculation steps:
[( 421 - 799 ) ÷ 799] x 100 = -47.31%
Formula
Percentage change = [(421 - 799) / 799] x 100
Subtract the new number by the original number
421 - 799 = -378
-378 ÷ 799 = -0.47309136420525655
-0.47309136420525655 x 100 = -47.31%