-42.08% is the change from 423 to 245
Calculation steps:
[( 245 - 423 ) ÷ 423] x 100 = -42.08%
Formula
Percentage change = [(245 - 423) / 423] x 100
Subtract the new number by the original number
245 - 423 = -178
-178 ÷ 423 = -0.42080378250591016
-0.42080378250591016 x 100 = -42.08%