-30.31% is the change from 485 to 338
Calculation steps:
[( 338 - 485 ) ÷ 485] x 100 = -30.31%
Formula
Percentage change = [(338 - 485) / 485] x 100
Subtract the new number by the original number
338 - 485 = -147
-147 ÷ 485 = -0.3030927835051546
-0.3030927835051546 x 100 = -30.31%