-12.69% is the change from 402 to 351
Calculation steps:
[( 351 - 402 ) ÷ 402] x 100 = -12.69%
Formula
Percentage change = [(351 - 402) / 402] x 100
Subtract the new number by the original number
351 - 402 = -51
-51 ÷ 402 = -0.12686567164179105
-0.12686567164179105 x 100 = -12.69%