-34.13% is the change from 671 to 442
Calculation steps:
[( 442 - 671 ) ÷ 671] x 100 = -34.13%
Formula
Percentage change = [(442 - 671) / 671] x 100
Subtract the new number by the original number
442 - 671 = -229
-229 ÷ 671 = -0.3412816691505216
-0.3412816691505216 x 100 = -34.13%