-47.69% is the change from 671 to 351
Calculation steps:
[( 351 - 671 ) ÷ 671] x 100 = -47.69%
Formula
Percentage change = [(351 - 671) / 671] x 100
Subtract the new number by the original number
351 - 671 = -320
-320 ÷ 671 = -0.47690014903129657
-0.47690014903129657 x 100 = -47.69%