-60.21% is the change from 671 to 267
Calculation steps:
[( 267 - 671 ) ÷ 671] x 100 = -60.21%
Formula
Percentage change = [(267 - 671) / 671] x 100
Subtract the new number by the original number
267 - 671 = -404
-404 ÷ 671 = -0.6020864381520119
-0.6020864381520119 x 100 = -60.21%