-18.46% is the change from 482 to 393
Calculation steps:
[( 393 - 482 ) ÷ 482] x 100 = -18.46%
Formula
Percentage change = [(393 - 482) / 482] x 100
Subtract the new number by the original number
393 - 482 = -89
-89 ÷ 482 = -0.18464730290456433
-0.18464730290456433 x 100 = -18.46%