-61.23% is the change from 423 to 164
Calculation steps:
[( 164 - 423 ) ÷ 423] x 100 = -61.23%
Formula
Percentage change = [(164 - 423) / 423] x 100
Subtract the new number by the original number
164 - 423 = -259
-259 ÷ 423 = -0.6122931442080378
-0.6122931442080378 x 100 = -61.23%
Example