-34.94% is the change from 664 to 432
Calculation steps:
[( 432 - 664 ) ÷ 664] x 100 = -34.94%
Formula
Percentage change = [(432 - 664) / 664] x 100
Subtract the new number by the original number
432 - 664 = -232
-232 ÷ 664 = -0.3493975903614458
-0.3493975903614458 x 100 = -34.94%