-17.22% is the change from 482 to 399
Calculation steps:
[( 399 - 482 ) ÷ 482] x 100 = -17.22%
Formula
Percentage change = [(399 - 482) / 482] x 100
Subtract the new number by the original number
399 - 482 = -83
-83 ÷ 482 = -0.17219917012448133
-0.17219917012448133 x 100 = -17.22%