-51.27% is the change from 667 to 325
Calculation steps:
[( 325 - 667 ) ÷ 667] x 100 = -51.27%
Formula
Percentage change = [(325 - 667) / 667] x 100
Subtract the new number by the original number
325 - 667 = -342
-342 ÷ 667 = -0.512743628185907
-0.512743628185907 x 100 = -51.27%