-54.29% is the change from 665 to 304
Calculation steps:
[( 304 - 665 ) ÷ 665] x 100 = -54.29%
Formula
Percentage change = [(304 - 665) / 665] x 100
Subtract the new number by the original number
304 - 665 = -361
-361 ÷ 665 = -0.5428571428571428
-0.5428571428571428 x 100 = -54.29%