-41.13% is the change from 423 to 249
Calculation steps:
[( 249 - 423 ) ÷ 423] x 100 = -41.13%
Formula
Percentage change = [(249 - 423) / 423] x 100
Subtract the new number by the original number
249 - 423 = -174
-174 ÷ 423 = -0.41134751773049644
-0.41134751773049644 x 100 = -41.13%