-21.41% is the change from 481 to 378
Calculation steps:
[( 378 - 481 ) ÷ 481] x 100 = -21.41%
Formula
Percentage change = [(378 - 481) / 481] x 100
Subtract the new number by the original number
378 - 481 = -103
-103 ÷ 481 = -0.21413721413721415
-0.21413721413721415 x 100 = -21.41%