-33.69% is the change from 662 to 439
Calculation steps:
[( 439 - 662 ) ÷ 662] x 100 = -33.69%
Formula
Percentage change = [(439 - 662) / 662] x 100
Subtract the new number by the original number
439 - 662 = -223
-223 ÷ 662 = -0.3368580060422961
-0.3368580060422961 x 100 = -33.69%