-24.85% is the change from 338 to 254
Calculation steps:
[( 254 - 338 ) ÷ 338] x 100 = -24.85%
Formula
Percentage change = [(254 - 338) / 338] x 100
Subtract the new number by the original number
254 - 338 = -84
-84 ÷ 338 = -0.2485207100591716
-0.2485207100591716 x 100 = -24.85%