-38.97% is the change from 390 to 238
Calculation steps:
[( 238 - 390 ) ÷ 390] x 100 = -38.97%
Formula
Percentage change = [(238 - 390) / 390] x 100
Subtract the new number by the original number
238 - 390 = -152
-152 ÷ 390 = -0.38974358974358975
-0.38974358974358975 x 100 = -38.97%