-48.44% is the change from 671 to 346
Calculation steps:
[( 346 - 671 ) ÷ 671] x 100 = -48.44%
Formula
Percentage change = [(346 - 671) / 671] x 100
Subtract the new number by the original number
346 - 671 = -325
-325 ÷ 671 = -0.4843517138599106
-0.4843517138599106 x 100 = -48.44%