-31.33% is the change from 399 to 274
Calculation steps:
[( 274 - 399 ) ÷ 399] x 100 = -31.33%
Formula
Percentage change = [(274 - 399) / 399] x 100
Subtract the new number by the original number
274 - 399 = -125
-125 ÷ 399 = -0.3132832080200501
-0.3132832080200501 x 100 = -31.33%