-45.41% is the change from 643 to 351
Calculation steps:
[( 351 - 643 ) ÷ 643] x 100 = -45.41%
Formula
Percentage change = [(351 - 643) / 643] x 100
Subtract the new number by the original number
351 - 643 = -292
-292 ÷ 643 = -0.45412130637636083
-0.45412130637636083 x 100 = -45.41%