-39.05% is the change from 338 to 206
Calculation steps:
[( 206 - 338 ) ÷ 338] x 100 = -39.05%
Formula
Percentage change = [(206 - 338) / 338] x 100
Subtract the new number by the original number
206 - 338 = -132
-132 ÷ 338 = -0.3905325443786982
-0.3905325443786982 x 100 = -39.05%