-32.61% is the change from 641 to 432
Calculation steps:
[( 432 - 641 ) ÷ 641] x 100 = -32.61%
Formula
Percentage change = [(432 - 641) / 641] x 100
Subtract the new number by the original number
432 - 641 = -209
-209 ÷ 641 = -0.32605304212168484
-0.32605304212168484 x 100 = -32.61%