-33.53% is the change from 665 to 442
Calculation steps:
[( 442 - 665 ) ÷ 665] x 100 = -33.53%
Formula
Percentage change = [(442 - 665) / 665] x 100
Subtract the new number by the original number
442 - 665 = -223
-223 ÷ 665 = -0.33533834586466166
-0.33533834586466166 x 100 = -33.53%