-48.46% is the change from 423 to 218
Calculation steps:
[( 218 - 423 ) ÷ 423] x 100 = -48.46%
Formula
Percentage change = [(218 - 423) / 423] x 100
Subtract the new number by the original number
218 - 423 = -205
-205 ÷ 423 = -0.4846335697399527
-0.4846335697399527 x 100 = -48.46%