-34.29% is the change from 665 to 437
Calculation steps:
[( 437 - 665 ) ÷ 665] x 100 = -34.29%
Formula
Percentage change = [(437 - 665) / 665] x 100
Subtract the new number by the original number
437 - 665 = -228
-228 ÷ 665 = -0.34285714285714286
-0.34285714285714286 x 100 = -34.29%