-47.67% is the change from 665 to 348
Calculation steps:
[( 348 - 665 ) ÷ 665] x 100 = -47.67%
Formula
Percentage change = [(348 - 665) / 665] x 100
Subtract the new number by the original number
348 - 665 = -317
-317 ÷ 665 = -0.4766917293233083
-0.4766917293233083 x 100 = -47.67%