-29.57% is the change from 399 to 281
Calculation steps:
[( 281 - 399 ) ÷ 399] x 100 = -29.57%
Formula
Percentage change = [(281 - 399) / 399] x 100
Subtract the new number by the original number
281 - 399 = -118
-118 ÷ 399 = -0.2957393483709273
-0.2957393483709273 x 100 = -29.57%