-16.54% is the change from 405 to 338
Calculation steps:
[( 338 - 405 ) ÷ 405] x 100 = -16.54%
Formula
Percentage change = [(338 - 405) / 405] x 100
Subtract the new number by the original number
338 - 405 = -67
-67 ÷ 405 = -0.1654320987654321
-0.1654320987654321 x 100 = -16.54%