-36.09% is the change from 665 to 425
Calculation steps:
[( 425 - 665 ) ÷ 665] x 100 = -36.09%
Formula
Percentage change = [(425 - 665) / 665] x 100
Subtract the new number by the original number
425 - 665 = -240
-240 ÷ 665 = -0.3609022556390977
-0.3609022556390977 x 100 = -36.09%