-30.66% is the change from 623 to 432
Calculation steps:
[( 432 - 623 ) ÷ 623] x 100 = -30.66%
Formula
Percentage change = [(432 - 623) / 623] x 100
Subtract the new number by the original number
432 - 623 = -191
-191 ÷ 623 = -0.30658105939004815
-0.30658105939004815 x 100 = -30.66%