-27.69% is the change from 390 to 282
Calculation steps:
[( 282 - 390 ) ÷ 390] x 100 = -27.69%
Formula
Percentage change = [(282 - 390) / 390] x 100
Subtract the new number by the original number
282 - 390 = -108
-108 ÷ 390 = -0.27692307692307694
-0.27692307692307694 x 100 = -27.69%