-43.47% is the change from 421 to 238
Calculation steps:
[( 238 - 421 ) ÷ 421] x 100 = -43.47%
Formula
Percentage change = [(238 - 421) / 421] x 100
Subtract the new number by the original number
238 - 421 = -183
-183 ÷ 421 = -0.4346793349168646
-0.4346793349168646 x 100 = -43.47%