-45.9% is the change from 427 to 231
Calculation steps:
[( 231 - 427 ) ÷ 427] x 100 = -45.9%
Formula
Percentage change = [(231 - 427) / 427] x 100
Subtract the new number by the original number
231 - 427 = -196
-196 ÷ 427 = -0.45901639344262296
-0.45901639344262296 x 100 = -45.9%