-29.52% is the change from 481 to 339
Calculation steps:
[( 339 - 481 ) ÷ 481] x 100 = -29.52%
Formula
Percentage change = [(339 - 481) / 481] x 100
Subtract the new number by the original number
339 - 481 = -142
-142 ÷ 481 = -0.29521829521829523
-0.29521829521829523 x 100 = -29.52%