-31.6% is the change from 481 to 329
Calculation steps:
[( 329 - 481 ) ÷ 481] x 100 = -31.6%
Formula
Percentage change = [(329 - 481) / 481] x 100
Subtract the new number by the original number
329 - 481 = -152
-152 ÷ 481 = -0.316008316008316
-0.316008316008316 x 100 = -31.6%