-31.16% is the change from 398 to 274
Calculation steps:
[( 274 - 398 ) ÷ 398] x 100 = -31.16%
Formula
Percentage change = [(274 - 398) / 398] x 100
Subtract the new number by the original number
274 - 398 = -124
-124 ÷ 398 = -0.31155778894472363
-0.31155778894472363 x 100 = -31.16%