-44.18% is the change from 421 to 235
Calculation steps:
[( 235 - 421 ) ÷ 421] x 100 = -44.18%
Formula
Percentage change = [(235 - 421) / 421] x 100
Subtract the new number by the original number
235 - 421 = -186
-186 ÷ 421 = -0.4418052256532066
-0.4418052256532066 x 100 = -44.18%