-30.29% is the change from 482 to 336
Calculation steps:
[( 336 - 482 ) ÷ 482] x 100 = -30.29%
Formula
Percentage change = [(336 - 482) / 482] x 100
Subtract the new number by the original number
336 - 482 = -146
-146 ÷ 482 = -0.3029045643153527
-0.3029045643153527 x 100 = -30.29%