-55.32% is the change from 423 to 189
Calculation steps:
[( 189 - 423 ) ÷ 423] x 100 = -55.32%
Formula
Percentage change = [(189 - 423) / 423] x 100
Subtract the new number by the original number
189 - 423 = -234
-234 ÷ 423 = -0.5531914893617021
-0.5531914893617021 x 100 = -55.32%