-21% is the change from 481 to 380
Calculation steps:
[( 380 - 481 ) ÷ 481] x 100 = -21%
Formula
Percentage change = [(380 - 481) / 481] x 100
Subtract the new number by the original number
380 - 481 = -101
-101 ÷ 481 = -0.20997920997921
-0.20997920997921 x 100 = -21%