-52.48% is the change from 423 to 201
Calculation steps:
[( 201 - 423 ) ÷ 423] x 100 = -52.48%
Formula
Percentage change = [(201 - 423) / 423] x 100
Subtract the new number by the original number
201 - 423 = -222
-222 ÷ 423 = -0.524822695035461
-0.524822695035461 x 100 = -52.48%