-37.69% is the change from 390 to 243
Calculation steps:
[( 243 - 390 ) ÷ 390] x 100 = -37.69%
Formula
Percentage change = [(243 - 390) / 390] x 100
Subtract the new number by the original number
243 - 390 = -147
-147 ÷ 390 = -0.3769230769230769
-0.3769230769230769 x 100 = -37.69%