-30.81% is the change from 396 to 274
Calculation steps:
[( 274 - 396 ) ÷ 396] x 100 = -30.81%
Formula
Percentage change = [(274 - 396) / 396] x 100
Subtract the new number by the original number
274 - 396 = -122
-122 ÷ 396 = -0.30808080808080807
-0.30808080808080807 x 100 = -30.81%