-40.12% is the change from 481 to 288
Calculation steps:
[( 288 - 481 ) ÷ 481] x 100 = -40.12%
Formula
Percentage change = [(288 - 481) / 481] x 100
Subtract the new number by the original number
288 - 481 = -193
-193 ÷ 481 = -0.40124740124740127
-0.40124740124740127 x 100 = -40.12%