-12.47% is the change from 401 to 351
Calculation steps:
[( 351 - 401 ) ÷ 401] x 100 = -12.47%
Formula
Percentage change = [(351 - 401) / 401] x 100
Subtract the new number by the original number
351 - 401 = -50
-50 ÷ 401 = -0.12468827930174564
-0.12468827930174564 x 100 = -12.47%