-35.2% is the change from 392 to 254
Calculation steps:
[( 254 - 392 ) ÷ 392] x 100 = -35.2%
Formula
Percentage change = [(254 - 392) / 392] x 100
Subtract the new number by the original number
254 - 392 = -138
-138 ÷ 392 = -0.3520408163265306
-0.3520408163265306 x 100 = -35.2%