-25.71% is the change from 455 to 338
Calculation steps:
[( 338 - 455 ) ÷ 455] x 100 = -25.71%
Formula
Percentage change = [(338 - 455) / 455] x 100
Subtract the new number by the original number
338 - 455 = -117
-117 ÷ 455 = -0.2571428571428571
-0.2571428571428571 x 100 = -25.71%