-30.28% is the change from 393 to 274
Calculation steps:
[( 274 - 393 ) ÷ 393] x 100 = -30.28%
Formula
Percentage change = [(274 - 393) / 393] x 100
Subtract the new number by the original number
274 - 393 = -119
-119 ÷ 393 = -0.30279898218829515
-0.30279898218829515 x 100 = -30.28%