-19.14% is the change from 418 to 338
Calculation steps:
[( 338 - 418 ) ÷ 418] x 100 = -19.14%
Formula
Percentage change = [(338 - 418) / 418] x 100
Subtract the new number by the original number
338 - 418 = -80
-80 ÷ 418 = -0.19138755980861244
-0.19138755980861244 x 100 = -19.14%